CVE-2023-4054

CVE-2023-4054 affects Firefox on Windows (Firefox < 116; ESR < 102.14, 115.1) and Thunderbird

CVE-2017-5380

CVE-2017-5380 is a use-after-free vulnerability related to SVG content processing. Connected IBM advisories confirm this CVE ID is present and tie it to vulnerabilities in Mozilla Firefox shipped with IBM Storwize V7000 Unified and IBM SONAS. Affected IBM products and versions are IBM Storwize V7...

CVE-2017-5462

The CVE-2017-5462 issue is a DRBG generation flaw in the NSS library where the internal state V does not correctly carry bits over. This vulnerability affects Mozilla products including Thunderbird (<52.1), Firefox ESR (<52.1), Firefox (

CVE-2018-12378

CVE-2018-12378 is a use-after-free in Thunderbird/Firefox related to deleting an IndexedDB index while it is still in use by JavaScript, causing a potentially exploitable crash. Affected: Thunderbird

CVE-2023-32207

CVE-2023-32207 describes a missing delay in popup notifications that could let an attacker trick a user into granting permissions. Affected software includes Firefox < 113, Firefox ESR < 102.11, and Thunderbird

CVE-2017-5386

CVE-2017-5386 : WebExtension scripts can use the data: protocol to affect pages loaded by other web extensions, enabling potential data disclosure or privilege escalation. Public disclosures show the issue affects Mozilla Firefox releases including ESR builds and Firefox versions prior to 51.0.1 ...

CVE-2018-12383

CVE-2018-12383 describes an information disclosure in Thunderbird (and Firefox components) where, if a user saved passwords before migrating to the new password format (pre-Firefox 58) and later set a master password, an unencrypted copy of those passwords could remain accessible because the lega...

CVE-2018-12360

CVE-2018-12360 is a use-after-free vulnerability in Thunderbird (and Firefox components) triggered by deleting an input element during a mutation event handler invoked by focusing that element. Affected versions include Thunderbird before 60 and Thunderbird before 52.9.1; Firefox ESR before 60.1/...

CVE-2023-25744

CVE-2023-25744 describes memory-safety bugs in Firefox 109 and Firefox ESR 102.7 that led Mozilla to assess potential for arbitrary-code execution with enough effort. The issue affects Firefox versions earlier than 110 and Firefox ESR versions earlier than 102.8. Public notices in connected docum...

CVE-2023-5723

The CVE-2023-5723 issue affects Mozilla Firefox prior to version 119, where an attacker with temporary script access to a site could set a cookie containing invalid characters via document.cookie, potentially causing unknown errors. Public sources in the connected documents consistently reference...

CVE-2013-0801

CVE-2013-0801 is a memory-corruption vulnerability in the Mozilla Firefox/Thunderbird browser engine. Affected: Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6. Impact per docs: remote Denial of Service and possible arbitrary ...

CVE-2018-5117

CVE-2018-5117 describes a URL spoofing issue where, when right-to-left text is used in the address bar with left-to-right alignment, the displayed URL can be scrolled to mislead users about the actual site. The vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2022-34482

Summary of CVE-2022-34482 (and related advisories): An attacker could coax a user to drag-and-drop an image to the filesystem, allowing manipulation of the resulting filename to include an executable extension. This could potentially trick the user into executing malicious code. Affected product:...

CVE-2025-1414

Mozilla Firefox is affected by memory safety bugs in versions prior to 135.0.1 . These issues involve operations exceeding buffer boundaries in memory, which could allow a remote attacker to achieve arbitrary code execution (ACE) . The vulnerability was addressed in version 135.0.1 . No specific ...

CVE-2017-5378

CVE-2017-5378 involves hashed codes of JavaScript objects enabling pointer leaks and potential data leakage. The vulnerability affects Mozilla products as noted in connected sources: Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox

CVE-2018-5125

CVE-2018-5125 is a memory-safety issue reported in Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox

CVE-2019-17009

CVE-2019-17009 affects Mozilla Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox

CVE-2018-12385

CVE-2018-12385 describes a potentially exploitable crash in TransportSecurityInfo used for SSL, triggered by data stored in the local cache within the user profile. Affected products include Thunderbird < 60.2.1, Firefox ESR < 60.2.1, and Firefox

CVE-2010-3176

CVE-2010-3176 affects Mozilla products including Firefox (3.5.x before 3.5.14 and 3.6.x before 3.6.11), Thunderbird (before 3.0.9 and before 3.1.5), and SeaMonkey (before 2.0.9). The issue is described as multiple unspecified vulnerabilities in the browser engine that could allow remote attackers...

CVE-2018-5091

CVE-2018-5091 describes a use-after-free in Firefox/Firefox ESR during WebRTC connections when handling DTMF timers, leading to a potentially exploitable crash. Public sources indicate affected products are Firefox ESR versions prior to 52.6 and Firefox prior to 58. Upstream/agency advisories con...

CVE-2026-15719

A site isolation issue exists in the DOM: Navigation component of the Mozilla Firefox web browser and Thunderbird mail client. The root cause involves deficiencies in access control within the navigation mechanism, which could allow an attacker to compromise the confidentiality and integrity of p...

CVE-2016-9893

CVE-2016-9893 relates to memory safety bugs reported in Thunderbird 45.5, with evidence of memory corruption. Affected products include Firefox <50.1, Firefox ESR <45.6, and Thunderbird

CVE-2018-12393

CVE-2018-12393 concerns 32‑bit Firefox builds (not 64‑bit) where an integer overflow during scripts-to-UTF-16 conversion can allocate a too-small buffer, causing an out-of-bounds write. Affected products include Firefox < 63, Firefox ESR < 60.3, and Thunderbird

CVE-2022-40959

The CVE-2022-40959 entry corresponds to a Mozilla vulnerability where during iframe navigation, FeaturePolicy was not fully initialized, allowing a bypass that leaked device permissions to untrusted subdocuments. Affected products include Firefox ESR before 102.3, Thunderbird before 102.3, and Fi...

CVE-2022-46880

CVE-2022-46880 describes a missing check related to tex units that could cause a use-after-free and an exploitable crash. Affected products include Firefox (ESR < 102.6, and Firefox < 105) and Thunderbird

CVE-2016-9899

CVE-2016-9899 describes a use-after-free in Firefox/Thunderbird caused by errors in node adoption handling during DOM event manipulation and audio element removal. Affected: Firefox < 50.1, Firefox ESR < 45.6, Thunderbird

CVE-2018-5103

CVE-2018-5103 is a use-after-free vulnerability that can occur during mouse event handling due to multiprocess-related issues, leading to potentially exploitable crashes. Affected products include Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2018-5159

CVE-2018-5159 describes an integer overflow in the Skia library caused by 32-bit integer use in an array without bounds checks, leading to out-of-bounds writes. This can crash web content and is potentially exploitable. Affected products include Thunderbird < 52.8, Thunderbird ESR < 52.8, F...

CVE-2022-36320

CVE-2022-36320 involves memory safety bugs found in Firefox 102 that, in some cases, could lead to memory corruption and potentially arbitrary code execution. Affected software: Firefox versions older than 103 (per multiple sources in connected documents). Root cause described as memory safety is...

CVE-2025-1937

Memory safety bugs in Firefox and Thunderbird (including ESR versions) can lead to memory corruption . If exploited, these vulnerabilities could allow an attacker to run arbitrary code . This issue affects Firefox versions prior to 136 , Firefox ESR versions prior to 115.21 and 128.8 , Thunderbir...

CVE-2018-5095

CVE-2018-5095 is an integer overflow in the Skia library during edge-builder memory allocation on systems with 8 GB+ RAM, causing uninitialized memory usage and a potentially exploitable crash. Public disclosures show affected products include Thunderbird < 52.6, Firefox ESR < 52.6, and Fir...

CVE-2018-5097

CVE-2018-5097 is a use-after-free vulnerability in XSL transformations where the source document is manipulated by script content during transformation. Affected products include Mozilla Thunderbird and Firefox variants prior to version 52.6/58, with upstream fixes targeting Thunderbird 52.6.0 (a...

CVE-2018-5156

The CVE-2018-5156 entry describes a vulnerability in media capture: when the media source type is changed during capture, stream data can be cast to the wrong type, causing a crash. Affected products include Thunderbird

CVE-2011-3079

CVE-2011-3079 concerns an IPC message validation weakness in Chrome’s IPC implementation (also used by Firefox prior to 38.0) that could allow sandbox escape due to insufficient authentication/validation in the listener process. Connected advisories indicate an earlier fix added authentication be...

CVE-2012-0469

CVE-2012-0469 is a use-after-free in Mozilla Firefox/Thunderbird/SeaMonkey components involving the IndexedDB IDBKeyRange cycleCollection Trace path. Affects Firefox 4.x–11.0, ESR 10.x before 10.0.4, Thunderbird 5.0–11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9. Root cause: u...

CVE-2017-5444

CVE-2017-5444 is a buffer overflow in parsing application/http-index-format data that enables an out-of-bounds read. Affected: Mozilla Thunderbird < 52.1, Firefox ESR < 45.9/52.1, and Firefox

CVE-2018-5155

CVE-2018-5155 is a use-after-free in the layout code when processing SVG text-paths during animations, causing a potentially exploitable crash. Affected products include Thunderbird and Firefox: Thunderbird < 52.8 (including ESR), and Firefox

CVE-2021-43540

CVE-2021-43540 affects Mozilla Firefox prior to 95. WebExtensions with the correct permissions could create and install ServiceWorkers for third-party sites that would not be uninstalled with the extension. This is described as an access restriction bypass vulnerability in Firefox < 95. The re...

CVE-2022-45416

CVE-2022-45416 affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2025-49709

Mozilla Firefox (including firefox-esr ) is vulnerable to a memory corruption flaw within the CanvasHandler component. The issue is caused by a buffer overflow during certain canvas operations , specifically when writing beyond the buffer limit. If successfully exploited, a remote attacker could ...

CVE-2016-1938

CVE-2016-1938 affects Mozilla NSS up to version 3.21, used by Firefox prior to 44.0. The issue is in the s_mp_div function in lib/freebl/mpi/mpi.c, where numbers are divided incorrectly, potentially allowing remote attackers to defeat cryptographic protections by leveraging use of mp_div or mp_ex...

CVE-2018-5099

CVE-2018-5099 is a use-after-free vulnerability in the widget listener that can crash or potentially allow code execution when references to freed browser objects are used. Affected products/versions include Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox

CVE-2019-11751

CVE-2019-11751 affects Firefox on Windows, with logs sanitization issue allowing a log file to be written to arbitrary locations (e.g., Startup folder). Affected products are Firefox < 69 and Firefox ESR

CVE-2022-45410

CVE-2022-45410 : When a ServiceWorker intercepted a request with a FetchEvent, the origin of the request could be lost after the ServiceWorker took ownership, negating SameSite cookie protections. Affected: Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox

CVE-2025-3028

The Mozilla Firefox browser and Thunderbird email client are vulnerable to a use-after-free memory corruption issue. The vulnerability exists in the XSLTProcessor component, where JavaScript code running during document transformation can trigger the flaw. A remote attacker could potentially exec...

CVE-2016-1960

CVE-2016-1960 is a vulnerability in Mozilla Firefox’s HTML5 parser (nsHtml5TreeBuilder) involving an integer underflow that enables a use-after-free scenario when parsing end tags in a foreign fragment context (SVG). Affects Firefox before 45.0 and Firefox ESR 38.x before 38.7; exploitation can l...

CVE-2017-5376

CVE-2017-5376 is a use-after-free in XSL processing of XSLT documents. Connected IBM advisories tie this CVE to Mozilla Firefox components shipped in IBM Storwize V7000 Unified and IBM SONAS; affected products include Thunderbird and Firefox binaries reported in the CVE. The IBM bulletins specify...

CVE-2018-5148

CVE-2018-5148 is a use-after-free in Firefox/Firefox ESR’s compositor triggered during certain graphics operations due to using a raw pointer instead of a reference-counted one. Affected versions include Firefox ESR < 52.7.3 and Firefox

CVE-2023-5732

CVE-2023-5732 affects Firefox (pre-117 and ESR pre-115.4) and Thunderbird (pre-115.4.1). An attacker could craft a link using bidirectional characters to spoof the displayed address in the address bar. Public details in connected advisories confirm this vulnerability and list affected products; r...

CVE-2014-1510

The Web IDL implementation in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 is vulnerable to remote code execution. An attacker can execute arbitrary JavaScript code with chrome privileges by utilizing an IDL fragment to trigger a wi...