CVE-2010-3765

Mozilla Firefox (3.5.x through 3.5.14, 3.6.x through 3.6.11), Thunderbird (3.1.6 before 3.1.6, 3.0.x before 3.0.10), SeaMonkey (2.x before 2.0.10), and Xulrunner are vulnerable to a memory corruption flaw. When JavaScript is enabled, a remote attacker can execute arbitrary code by enticing a user...

CVE-2019-11762

The CVE-2019-11762 issue is a cross-origin origin isolation bug where two same-origin documents setting document.domain differently could allow calling arbitrary DOM methods/getters/setters on the now-cross-origin window. Affected products include Firefox (<70) and Firefox ESR (<68.2), and ...

CVE-2020-26951

CVE-2020-26951 involves a parsing and event loading mismatch in Firefox’s SVG code that could allow load events to fire after sanitization, potentially bypassing a built-in sanitizer. Affected products include Firefox < 83, Firefox ESR < 78.5, and Thunderbird

CVE-2019-9812

CVE-2019-9812 describes a sandbox-escape in Mozilla Firefox/Firefox ESR: by loading accounts.firefox.com in a compromised sandboxed content process and auto-logging into a malicious Firefox Sync account, the adversary could cause sandbox-disabled preferences to be written to the local machine and...

CVE-2020-26956

CVE-2020-26956 is an XSS issue caused by removing HTML elements during sanitization, which could leave SVG event handlers active. Affected: Firefox <83, Firefox ESR <78.5, Thunderbird

CVE-2020-26961

CVE-2020-26961 describes a DoH-related issue where IPv4 addresses mapped through IPv6 bypass RFC1918 filtering, enabling a DNS rebinding-like condition in Firefox/Thunderbird before versions 83/78.5. Connected sources (CentOS advisories) confirm Mozilla patches addressing multiple issues includin...

CVE-2021-43536

CVE-2021-43536: The connected advisories confirm an information-disclosure/URL leakage flaw triggered when navigating asynchronously in Firefox/Thunderbird prior to fixed releases. Affected: Thunderbird < 91.4.0, Firefox ESR < 91.4.0, Firefox

CVE-2024-53976

The Mozilla Firefox browser on iOS operating systems (versions

CVE-2024-9395

The Firefox for Android browser (versions prior to 131 ) is vulnerable to a flaw where a specially crafted filename containing a large number of spaces can obscure the file's extension when displayed in the download dialog. This allows for potential deception regarding the file type being downloa...

CVE-2019-11764

CVE-2019-11764 refers to memory safety bugs in Mozilla Firefox (including ESR) and Thunderbird. The issues show evidence of memory corruption and, with sufficient effort, could be exploited to run arbitrary code. Affected products/versions (as stated): Firefox versions before 70, Thunderbird befo...

CVE-2021-24000

CVE-2021-24000 is a race-condition vulnerability in Mozilla Firefox prior to version 88, involving requestPointerLock() and setTimeout() that could allow a user to interact with one tab while believing they were on another tab. In conjunction with certain elements (e.g., ), this could cause infor...

CVE-2021-43542

CVE-2021-43542 is a information-disclosure vulnerability involving XMLHttpRequest: error messages could reveal the existence of an external protocol handler, enabling an attacker to identify installed applications. Connected sources indicate the issue affects Thunderbird < 91.4.0, Firefox ESR ...

CVE-2019-11763

The CVE-2019-11763 entry concerns a parsing defect in handling null bytes in HTML entities, causing Firefox to mis-parse entities and potentially treat HTML comments as code. This could enable XSS in web apps under certain conditions and allow masking of actual characters by filters. Public detai...

CVE-2020-12389

Technical details for CVE-2020-12389 (affected product, root cause, exploitability, and remediation) are not provided in the connected documents. Monitor for official updates and bulletins.

CVE-2020-15659

CVE-2020-15659 concerns memory safety bugs in Firefox 78 and Firefox ESR 78.x, with potential to run arbitrary code. The entry affects Firefox < 79 and Firefox ESR < 68.11/78.1, and Thunderbird

CVE-2020-6805

CVE-2020-6805 affects Thunderbird (and Firefox) with a use-after-free in the Quota manager when removing data about origins for a recently closed tab, potentially causing a crash. Affected versions include Thunderbird < 68.6 and Firefox < 74/ESR68.6/ESR

CVE-2010-3177

CVE-2010-3177 affects Mozilla Firefox (before 3.5.14 and before 3.6.11) and SeaMonkey (before 2.0.9). The issue is a cross-site scripting (XSS) vulnerability in the Gopher parser that allows remote attackers to inject arbitrary script or HTML via the name of a file or directory on a Gopher server...

CVE-2019-11759

CVE-2019-11759 describes a stack buffer overflow in the HKDF output that could allow code execution or a crash. Affected products include Firefox < 70, Thunderbird < 68.2, and Firefox ESR

CVE-2019-17010

CVE-2019-17010 is a race-condition vulnerability that, during device orientation checks, can cause a use-after-free and a potentially exploitable crash in Thunderbird and Firefox products. It affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox

CVE-2023-5171

CVE-2023-5171 describes a use-after-free in the Ion compiler’s garbage collection that could allow memory corruption and a potentially exploitable crash, by allowing an attacker to write two NUL bytes. Affected products include Firefox and Thunderbird: Firefox ≤ 117.x (with ESR ≤ 115.3) prior to ...

CVE-2020-12420

CVE-2020-12420 describes a race-condition use-after-free when connecting to a STUN server, leading to memory corruption and potentially exploitable crashes. Affected products include Thunderbird and Firefox variants prior to versions 68.10.x (Thunderbird < 68.10.0; Firefox ESR < 68.10, Fire...

CVE-2024-9403

Memory safety bugs in Firefox < 131 and Thunderbird

CVE-2005-0145

CVE-2005-0145 affects Firefox up to version prior to 1.0. The vulnerability arises because Firefox does not properly distinguish between user-generated and synthetic click events, allowing a malicious page to use JavaScript to bypass the file download prompt via the Alt-click feature. Impact is t...

CVE-2019-11757

CVE-2019-11757 affects Mozilla Firefox (versions before 70) and Firefox ESR (before 68.2) as well as Thunderbird (before 68.2). The issue stems from following a value’s prototype chain, which allowed retaining a reference to a locale, deleting it, and then referencing it again, causing a use-afte...

CVE-2020-26978

CVE-2020-26978 is a Firefox/Thunderbird remote-info-exposure vulnerability. A malicious webpage could probe an internal network and access services on the user’s device due to slipstream-based techniques. Affected: Firefox < 84, Thunderbird < 78.6, Firefox ESR

CVE-2020-12419

CVE-2020-12419 describes a use-after-free in the browser/windowing code: during processing of callbacks in window flushing in the parent process, a window may die, leading to memory corruption and a potentially exploitable crash. Affected products in the provided docs include Thunderbird and Fire...

CVE-2021-43546

CVE-2021-43546 concerns cursor spoofing that could overlay the UI when a native cursor is zoomed. Affected products mentioned across connected documents include Thunderbird < 91.4.0 and Firefox < 95 (including Firefox ESR

CVE-2018-12405

The CVE-2018-12405 entry is supported by connected advisories showing memory safety bugs in Firefox 63/ESR 60.3 with potential for arbitrary code execution. Affected products include Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox

CVE-2019-17024

CVE-2019-17024 corresponds to memory-safety bugs in Firefox (and Thunderbird) prior to fixed versions. Affected: Firefox ESR < 68.4 and Firefox

CVE-2024-9391

The Firefox Focus for Android browser (versions prior to 131) is vulnerable to a flaw where a specially crafted web page can prevent a user from exiting full-screen mode . This can lead to spoofing other sites because the address bar becomes hidden. While the initial description specifies Firefox...

CVE-2020-6801

CVE-2020-6801 refers to memory-safety bugs in Mozilla Firefox involving memory corruption that could be exploited to run arbitrary code. The cited description indicates these memory issues were found in Firefox 72 and could affect users on versions prior to 73, with potential impact on the browse...

CVE-2009-2469

CVE-2009-2469 affects Mozilla Firefox prior to 3.0.12. The vulnerability arises from improper handling of an SVG element that has a property with a watch function and an defineSetter function, enabling memory corruption that can lead to a denial of service or potentially remote code execution via...

CVE-2022-31744

CVE-2022-31744 involves an CSS injection flaw that could let an attacker inject CSS into stylesheets accessible via internal URIs (e.g., resource:) and bypass a page's Content Security Policy. Affected products include Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Fire...

CVE-2019-11758

CVE-2019-11758 is a memory-safety bug in Mozilla Firefox that can lead to arbitrary code execution when 360 Total Security is installed. The advisory notes it affects Firefox versions before 69, Thunderbird before 68.2, and Firefox ESR before 68.2. Public documentation in connected sources confir...

CVE-2020-35111

CVE-2020-35111 covers a proxy.onRequest handling flaw: when an extension with proxy privileges registers for , view-source URLs fail to trigger the proxy.onRequest callback, potentially leaking the user’s IP when viewing source. Affected: Firefox < 84, Thunderbird < 78.6, Firefox ESR

CVE-2019-11760

CVE-2019-11760 describes a fixed-size stack buffer overflow in nrappkit during WebRTC signaling that could lead to a potentially exploitable crash. The vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR

CVE-2019-9793

CVE-2019-9793 describes an issue where, if Spectre mitigations are disabled, bounds checking is loosened for string/array/typed array accesses, enabling an attacker to cause the range analysis to infer controlled, incorrect values in JavaScript. Connected advisories confirm affected products and ...

CVE-2018-18494

CVE-2018-18494 is a same-origin policy violation in Thunderbird/Firefox components caused by using the location property with performance.getEntries to steal cross-origin URL entries. Affected: Thunderbird < 60.4, Firefox ESR < 60.4, Firefox

CVE-2020-12410

Summary of CVE-2020-12410 : Mozilla reported memory safety bugs in Firefox 76 and Firefox ESR 68.8, which could lead to memory corruption and possibly arbitrary code execution. Affected products and versions per provided docs: Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR

CVE-2021-38506

CVE-2021-38506 describes a UI spoofing risk in Mozilla products where, after a series of navigations, Firefox could enter fullscreen mode without user notification. Affected: Firefox < 94, Thunderbird < 91.3, and Firefox ESR

CVE-2020-15654

This vulnerability affects Firefox ESR < 78.1 , Firefox < 79 , and Thunderbird

CVE-2020-15663

CVE-2020-15663 targets Mozilla Firefox (and related Thunderbird/Firefox ESR components) on Windows when Firefox is installed in a user-writable directory. The Mozilla Maintenance Service could invoke updater.exe from the install location with SYSTEM privileges, potentially after rollback to a pre...

CVE-2021-38498

The CVE-2021-38498 entry describes a use-after-free of the nsLanguageAtomService (languages service object) during process shutdown, causing memory corruption and potentially a crash. Affected products include Firefox < 93, Thunderbird < 91.2, and Firefox ESR

CVE-2023-5721

CVE-2023-5721 describes a UX vulnerability where certain browser prompts and dialogs could be activated or dismissed unintentionally by users due to an insufficient activation-delay. Affected products/versions per provided documents: Firefox prior to 119, Firefox ESR prior to 115.4, and Thunderbi...

CVE-2018-18498

CVE-2018-18498 is an integer overflow vulnerability in image buffer size calculations that can cause out-of-bounds writes. The description in connected advisories ties this CVE to Thunderbird and Firefox families (Thunderbird < 60.4, Firefox ESR < 60.4, Firefox

CVE-2019-11716

Mozilla Firefox contains a memory-safety sandbox issue described as: until explicitly accessed by script, window.globalThis is not enumerable, making it invisible to Object.getOwnPropertyNames(window) and potentially bypassable sandboxing. Affects Firefox versions prior to 68.0. The public docume...

CVE-2020-26953

CVE-2020-26953 : A vulnerability allowing a browser to enter fullscreen mode without displaying the security UI, enabling potential phishing or user confusion. Affected: Firefox < 83, Firefox ESR < 78.5, Thunderbird

CVE-2021-23964

CVE-2021-23964 corresponds to memory-safety bugs in Mozilla Firefox 84 and Firefox ESR 78.6 that could enable memory corruption and potentially arbitrary code execution. Affected products include Firefox <85, Thunderbird <78.7, and Firefox ESR

CVE-2020-12393

CVE-2020-12393 affects Firefox on Windows (and related Mozilla products) where the Devtools Network tab’s Copy as cURL feature failed to properly escape the HTTP method, allowing a website-controlled method to be injected into a pasted terminal command and potentially leading to arbitrary command...

CVE-2019-11714

CVE-2019-11714 affects Mozilla Firefox up to version 68.x due to a Necko/UDP threading issue where Necko can access a child on the wrong thread, causing a potentially exploitable crash. Public disclosures in multiple feeds confirm the flaw lies in memory/thread handling within the browser’s netwo...