During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
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This vulnerability affects Firefox < 93, Thunderbird <\n91.2, and Firefox ESR < 91.2.\n\n#### Notes\n\nAuthor| Note \n---|--- \n[tyhicks](<https://launchpad.net/~tyhicks>) | mozjs contains a copy of the SpiderMonkey JavaScript engine\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-03T00:00:00", "type": "ubuntucve", "title": "CVE-2021-38498", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-38498"], "modified": "2021-11-03T00:00:00", "id": "UB:CVE-2021-38498", "href": "https://ubuntu.com/security/CVE-2021-38498", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "alpinelinux": [{"lastseen": "2023-07-30T01:00:01", "description": "During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. 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It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-47 advisory.\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. (CVE-2021-38502)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. (CVE-2021-38498)\n\n - In the crossbeam crate, one or more tasks in the worker queue could have been be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this could have caused a double free and a memory leak. (CVE-2021-32810)\n\n - Mozilla developers and community members Andreas Pehrson and Christian Holler reported memory safety bugs present in Thunderbird 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38500)\n\n - Mozilla developers and community members Kevin Brosnan, Mihai Alexandru Michis, and Christian Holler reported memory safety bugs present in Thunderbird 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38501)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-10-13T00:00:00", "type": "nessus", "title": "Mozilla Thunderbird < 91.2", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-32810", "CVE-2021-38496", "CVE-2021-38497", "CVE-2021-38498", "CVE-2021-38500", "CVE-2021-38501", "CVE-2021-38502"], "modified": "2022-05-09T00:00:00", "cpe": ["cpe:/a:mozilla:thunderbird"], "id": "MACOS_THUNDERBIRD_91_2.NASL", "href": "https://www.tenable.com/plugins/nessus/154058", "sourceData": "#%NASL_MIN_LEVEL 70300\n## \n# (C) Tenable Network Security, Inc.\n# \n# The descriptive text and package checks in this plugin were\n# extracted from Mozilla Foundation Security Advisory mfsa2021-47.\n# The text itself is copyright (C) Mozilla Foundation.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(154058);\n script_version(\"1.9\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/05/09\");\n\n script_cve_id(\n \"CVE-2021-32810\",\n \"CVE-2021-38496\",\n \"CVE-2021-38497\",\n \"CVE-2021-38498\",\n \"CVE-2021-38500\",\n \"CVE-2021-38501\",\n \"CVE-2021-38502\"\n );\n script_xref(name:\"IAVA\", value:\"2021-A-0461-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0450-S\");\n\n script_name(english:\"Mozilla Thunderbird < 91.2\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"A mail client installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.\");\n script_set_attribute(attribute:\"description\", value:\n\"The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 91.2. It is, therefore, affected\nby multiple vulnerabilities as referenced in the mfsa2021-47 advisory.\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. (CVE-2021-38502)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in\n memory corruption and a potentially exploitable crash. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation\n message could have been overlaid on another origin, leading to possible user confusion and spoofing\n attacks. 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This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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(CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. This bug only affects Firefox for Windows. Other operating systems are unaffected. 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Access to these package security updates require\\n' +\n 'a paid SUSE LTSS subscription.\\n';\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : rpm_report_get() + ltss_plugin_caveat\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'MozillaFirefox / MozillaFirefox-branding-SLE / MozillaFirefox-devel / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-08-09T15:06:48", "description": "The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14826-1 advisory.\n\n - Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29980)\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - Firefox for Android could get stuck in fullscreen mode and not exit it even after normal interactions that should cause it to exit. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91. (CVE-2021-29983)\n\n - Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash.\n This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29984)\n\n - A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29985)\n\n - A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29986)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29988)\n\n - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29989)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 90. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 91. (CVE-2021-29990)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29986)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. 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This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. 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free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29980)\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - Firefox for Android could get stuck in fullscreen mode and not exit it even after normal interactions that should cause it to exit. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91. (CVE-2021-29983)\n\n - Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash.\n This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29984)\n\n - A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29985)\n\n - A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29986)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29988)\n\n - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29989)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 90. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 91. (CVE-2021-29990)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. <br>This bug only affects Firefox for Windows. Other operating systems are unaffected. (CVE-2021-38492)\n\n - Mozilla developers Tyson Smith, Christian Holler, and Gabriele Svelto reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. (CVE-2021-38496)\n\n - Through use of <code>reportValidity()</code> and <code>window.open()</code>, a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. (CVE-2021-38498)\n\n - Mozilla developers and community members Andreas Pehrson and Christian Holler reported memory safety bugs present in Thunderbird 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38500)\n\n - Mozilla developers and community members Kevin Brosnan, Mihai Alexandru Michis, and Christian Holler reported memory safety bugs present in Thunderbird 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38501)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-10-19T00:00:00", "type": "nessus", "title": "openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1367-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-29980", "CVE-2021-29981", "CVE-2021-29982", "CVE-2021-29983", "CVE-2021-29984", "CVE-2021-29985", "CVE-2021-29986", "CVE-2021-29987", "CVE-2021-29988", "CVE-2021-29989", "CVE-2021-29990", "CVE-2021-29991", "CVE-2021-32810", "CVE-2021-38492", "CVE-2021-38495", "CVE-2021-38496", "CVE-2021-38497", "CVE-2021-38498", "CVE-2021-38500", "CVE-2021-38501"], "modified": "2022-05-09T00:00:00", "cpe": ["p-cpe:/a:novell:opensuse:mozillafirefox", "p-cpe:/a:novell:opensuse:mozillafirefox-branding-upstream", "p-cpe:/a:novell:opensuse:mozillafirefox-devel", "p-cpe:/a:novell:opensuse:mozillafirefox-translations-common", "p-cpe:/a:novell:opensuse:mozillafirefox-translations-other", "p-cpe:/a:novell:opensuse:rust-cbindgen", "cpe:/o:novell:opensuse:15.2"], "id": "OPENSUSE-2021-1367.NASL", "href": "https://www.tenable.com/plugins/nessus/154214", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The package checks in this plugin were extracted from\n# openSUSE Security Update openSUSE-SU-2021:1367-1. 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This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29980)\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - Firefox for Android could get stuck in fullscreen mode and not exit it even after normal interactions that should cause it to exit. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91. (CVE-2021-29983)\n\n - Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash.\n This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29984)\n\n - A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29985)\n\n - A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.\n (CVE-2021-29986)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29988)\n\n - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91. (CVE-2021-29989)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 90. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 91. (CVE-2021-29990)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. This bug only affects Firefox for Windows. Other operating systems are unaffected. (CVE-2021-38492)\n\n - Mozilla developers Tyson Smith, Christian Holler, and Gabriele Svelto reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. 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It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1818 advisory.\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - Mozilla: Iframe sandbox bypass with XSLT (CVE-2021-4140)\n\n - Mozilla: Race condition when playing audio files (CVE-2022-22737)\n\n - Mozilla: Heap-buffer-overflow in blendGaussianBlur (CVE-2022-22738)\n\n - Mozilla: Missing throttling on external protocol launch dialog (CVE-2022-22739)\n\n - Mozilla: Use-after-free of ChannelEventQueue::mOwner (CVE-2022-22740)\n\n - Mozilla: Browser window spoof using fullscreen mode (CVE-2022-22741)\n\n - Mozilla: Out-of-bounds memory access when inserting text in edit mode (CVE-2022-22742)\n\n - When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. (CVE-2022-22743)\n\n - Mozilla: Leaking cross-origin URLs through securitypolicyviolation event (CVE-2022-22745)\n\n - Mozilla: Crash when handling empty pkcs7 sequence (CVE-2022-22747)\n\n - Mozilla: Spoofed origin on external protocol launch dialog (CVE-2022-22748)\n\n - Mozilla: Memory safety bugs fixed in Firefox 96 and Firefox ESR 91.5 (CVE-2022-22751)\n\n - If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions.\n (CVE-2022-22754)\n\n - If a user was convinced to drag and drop an image to their desktop or other folder, the resulting object could have been changed into an executable script which would have run arbitrary code after the user clicked on it. (CVE-2022-22756)\n\n - If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. (CVE-2022-22759)\n\n - When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. (CVE-2022-22760)\n\n - Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy.\n (CVE-2022-22761)\n\n - When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. (CVE-2022-22763)\n\n - Mozilla developers and community members Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 91.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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{"lastseen": "2023-09-27T15:47:46", "description": "The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:4150-1 advisory.\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92. (CVE-2021-38493)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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(CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2,\n Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and\n Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. This vulnerability affects\n Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass\n restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects\n Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-\n free could have resulted, leading to memory corruption and a potentially exploitable crash. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record\n data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific\n clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have\n caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for\n Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability\n affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or\n warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded\n to TLS while retaining the visual properties of an HTTP connection, including being same-origin with\n unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port\n 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the\n browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin\n with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt\n (such as for geolocation), the validity message could have obscured the prompt, resulting in the user\n potentially being tricked into granting the permission. This vulnerability affects Firefox < 94,\n Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary\n (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's\n choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac\n OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other\n operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and\n Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows\n plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous\n combination of the prime defined by the receiver's public key, the generator defined by the receiver's\n public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was\n limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to\n further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the\n target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory\n leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <\n 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for\n pages that had received full screen and pointer lock access, which could have been used for spoofing\n attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC\n occurring within the call not tracing those live pointers. This could have led to a use-after-free causing\n a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,\n and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not\n properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages\n for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by\n embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This\n vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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"vector": "NONE"}}, {"lastseen": "2023-09-27T15:48:49", "description": "The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:4150-1 advisory.\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92. (CVE-2021-38493)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2021-12-25T00:00:00", "type": "nessus", "title": "openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-29981", "CVE-2021-29982", "CVE-2021-29987", "CVE-2021-29991", "CVE-2021-32810", "CVE-2021-38492", "CVE-2021-38493", "CVE-2021-38495", "CVE-2021-38496", "CVE-2021-38497", "CVE-2021-38498", "CVE-2021-38500", "CVE-2021-38501", "CVE-2021-38502", "CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38505", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509", "CVE-2021-38510", "CVE-2021-40529", "CVE-2021-43528", "CVE-2021-43536", "CVE-2021-43537", "CVE-2021-43538", "CVE-2021-43539", "CVE-2021-43541", "CVE-2021-43542", "CVE-2021-43543", "CVE-2021-43545", "CVE-2021-43546"], "modified": "2022-03-17T00:00:00", "cpe": ["p-cpe:/a:novell:opensuse:mozillathunderbird-translations-other", "cpe:/o:novell:opensuse:15.3", "p-cpe:/a:novell:opensuse:mozillathunderbird", "p-cpe:/a:novell:opensuse:mozillathunderbird-translations-common"], "id": "OPENSUSE-2021-4150.NASL", "href": "https://www.tenable.com/plugins/nessus/156271", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The package checks in this plugin were extracted from\n# openSUSE Security Update openSUSE-SU-2021:4150-1. The text itself\n# is copyright (C) SUSE.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(156271);\n script_version(\"1.8\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/03/17\");\n\n script_cve_id(\n \"CVE-2021-29981\",\n \"CVE-2021-29982\",\n \"CVE-2021-29987\",\n \"CVE-2021-29991\",\n \"CVE-2021-32810\",\n \"CVE-2021-38492\",\n \"CVE-2021-38493\",\n \"CVE-2021-38495\",\n \"CVE-2021-38496\",\n \"CVE-2021-38497\",\n \"CVE-2021-38498\",\n \"CVE-2021-38500\",\n \"CVE-2021-38501\",\n \"CVE-2021-38502\",\n \"CVE-2021-38503\",\n \"CVE-2021-38504\",\n \"CVE-2021-38505\",\n \"CVE-2021-38506\",\n \"CVE-2021-38507\",\n \"CVE-2021-38508\",\n \"CVE-2021-38509\",\n \"CVE-2021-38510\",\n \"CVE-2021-40529\",\n \"CVE-2021-43528\",\n \"CVE-2021-43536\",\n \"CVE-2021-43537\",\n \"CVE-2021-43538\",\n \"CVE-2021-43539\",\n \"CVE-2021-43541\",\n \"CVE-2021-43542\",\n \"CVE-2021-43543\",\n \"CVE-2021-43545\",\n \"CVE-2021-43546\"\n );\n script_xref(name:\"IAVA\", value:\"2021-A-0366-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0386-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0461-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0405\");\n script_xref(name:\"IAVA\", value:\"2021-A-0527-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0569-S\");\n script_xref(name:\"IAVA\", value:\"2021-A-0450-S\");\n\n script_name(english:\"openSUSE 15 Security Update : MozillaThunderbird (openSUSE-SU-2021:4150-1)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote SUSE host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in\nthe openSUSE-SU-2021:4150-1 advisory.\n\n - An issue present in lowering/register allocation could have led to obscure but deterministic register\n confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability\n affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object,\n resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and\n Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission\n panels will be displayed in a different position but still record a click in the default location, making\n it possible to trick a user into accepting a permission they did not want to. *This bug only affects\n Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and\n Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This\n allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox <\n 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in\n Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in\n the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks\n are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a\n logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are\n affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might\n allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug\n only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects\n Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14,\n and Firefox < 92. (CVE-2021-38493)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed\n evidence of memory corruption and we presume that with enough effort some of these could have been\n exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in\n memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15,\n Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been\n overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability\n affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object,\n leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93,\n Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2,\n Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and\n Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. This vulnerability affects\n Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass\n restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects\n Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-\n free could have resulted, leading to memory corruption and a potentially exploitable crash. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record\n data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific\n clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have\n caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for\n Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability\n affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or\n warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded\n to TLS while retaining the visual properties of an HTTP connection, including being same-origin with\n unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port\n 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the\n browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin\n with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt\n (such as for geolocation), the validity message could have obscured the prompt, resulting in the user\n potentially being tricked into granting the permission. This vulnerability affects Firefox < 94,\n Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary\n (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's\n choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac\n OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other\n operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and\n Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows\n plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous\n combination of the prime defined by the receiver's public key, the generator defined by the receiver's\n public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was\n limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to\n further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the\n target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory\n leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <\n 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for\n pages that had received full screen and pointer lock access, which could have been used for spoofing\n attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC\n occurring within the call not tracing those live pointers. This could have led to a use-after-free causing\n a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,\n and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not\n properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages\n for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by\n embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This\n vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double free and a memory leak. If not, this still can cause a logical bug. Crates using `Stealer::steal`, `Stealer::steal_batch`, or `Stealer::steal_batch_and_pop` are affected by this issue. This has been fixed in crossbeam-deque 0.8.1 and 0.7.4. (CVE-2021-32810)\n\n - When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.\n (CVE-2021-38492)\n\n - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.14, Thunderbird < 78.14, and Firefox < 92. (CVE-2021-38493)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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(CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2,\n Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and\n Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. This vulnerability affects\n Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass\n restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects\n Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-\n free could have resulted, leading to memory corruption and a potentially exploitable crash. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record\n data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios.\n Applications that wish to prevent copied data from being recorded in Cloud History must use specific\n clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have\n caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for\n Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability\n affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38505)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or\n warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded\n to TLS while retaining the visual properties of an HTTP connection, including being same-origin with\n unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port\n 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the\n browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin\n with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt\n (such as for geolocation), the validity message could have obscured the prompt, resulting in the user\n potentially being tricked into granting the permission. This vulnerability affects Firefox < 94,\n Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary\n (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's\n choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac\n OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other\n operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and\n Firefox ESR < 91.3. (CVE-2021-38510)\n\n - The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows\n plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous\n combination of the prime defined by the receiver's public key, the generator defined by the receiver's\n public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.\n (CVE-2021-40529)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was\n limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to\n further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the\n target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory\n leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <\n 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for\n pages that had received full screen and pointer lock access, which could have been used for spoofing\n attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC\n occurring within the call not tracing those live pointers. This could have led to a use-after-free causing\n a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0,\n and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not\n properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages\n for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by\n embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and\n Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This\n vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. 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This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox < 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after- free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38508)\n\n - Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.\n (CVE-2021-38509)\n\n - Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.\n (CVE-2021-43528)\n\n - Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43534)\n\n - A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-43535)\n\n - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43536)\n\n - An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43537)\n\n - By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43538)\n\n - Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43539)\n\n - When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.\n (CVE-2021-43541)\n\n - Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43542)\n\n - Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43543)\n\n - Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43545)\n\n - It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.\n This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95. (CVE-2021-43546)\n\n - The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some buffer sizes, a buffer overflow happens on a call to olm_session_describe. Furthermore, safe buffer sizes were undocumented. The overflow content is partially controllable by the attacker and limited to ASCII spaces and digits. The known affected products are Element Web And SchildiChat Web. (CVE-2021-44538)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-01-22T00:00:00", "type": "nessus", "title": "Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerabilities (USN-5248-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-29981", "CVE-2021-29982", "CVE-2021-29987", "CVE-2021-29991", "CVE-2021-38495", "CVE-2021-38496", "CVE-2021-38497", "CVE-2021-38498", "CVE-2021-38500", "CVE-2021-38501", "CVE-2021-38502", "CVE-2021-38503", "CVE-2021-38504", "CVE-2021-38506", "CVE-2021-38507", "CVE-2021-38508", "CVE-2021-38509", "CVE-2021-4126", "CVE-2021-4129", "CVE-2021-4140", "CVE-2021-43528", "CVE-2021-43534", "CVE-2021-43535", "CVE-2021-43536", "CVE-2021-43537", "CVE-2021-43538", "CVE-2021-43539", "CVE-2021-43541", "CVE-2021-43542", "CVE-2021-43543", "CVE-2021-43545", "CVE-2021-43546", "CVE-2021-44538", "CVE-2022-22737", "CVE-2022-22738", "CVE-2022-22739", 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This vulnerability\n affects Firefox < 91 and Thunderbird < 91. (CVE-2021-29981)\n\n - Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object,\n resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and\n Thunderbird < 91. (CVE-2021-29982)\n\n - After requesting multiple permissions, and closing the first permission panel, subsequent permission\n panels will be displayed in a different position but still record a click in the default location, making\n it possible to trick a user into accepting a permission they did not want to. *This bug only affects\n Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and\n Thunderbird < 91. (CVE-2021-29987)\n\n - Firefox incorrectly accepted a newline in a HTTP/3 header, interpretting it as two separate headers. This\n allowed for a header splitting attack against servers using HTTP/3. This vulnerability affects Firefox <\n 91.0.1 and Thunderbird < 91.0.1. (CVE-2021-29991)\n\n - Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed\n evidence of memory corruption and we presume that with enough effort some of these could have been\n exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.\n (CVE-2021-38495)\n\n - During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in\n memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15,\n Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38496)\n\n - Through use of reportValidity() and window.open(), a plain-text validation message could have been\n overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability\n affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38497)\n\n - During process shutdown, a document could have caused a use-after-free of a languages service object,\n leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93,\n Thunderbird < 91.2, and Firefox ESR < 91.2. (CVE-2021-38498)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2,\n Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. (CVE-2021-38500)\n\n - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these\n bugs showed evidence of memory corruption and we presume that with enough effort some of these could have\n been exploited to run arbitrary code. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and\n Firefox ESR < 91.2. (CVE-2021-38501)\n\n - Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could\n perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated\n session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was\n configured, the MITM could obtain the authentication credentials, too. This vulnerability affects\n Thunderbird < 91.2. (CVE-2021-38502)\n\n - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass\n restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects\n Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38503)\n\n - When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-\n free could have resulted, leading to memory corruption and a potentially exploitable crash. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38504)\n\n - Through a series of navigations, Firefox could have entered fullscreen mode without notification or\n warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38506)\n\n - The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded\n to TLS while retaining the visual properties of an HTTP connection, including being same-origin with\n unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port\n 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the\n browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin\n with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This\n vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. (CVE-2021-38507)\n\n - By displaying a form validity message in the correct location at the same time as a permission prompt\n (such as for geolocation), the validity message could have obscured the prompt, resulting in the user\n potentially being tricked into granting the permission. This vulnerability
CVE-2021-38498
