CVE-2025-6425

CVE-2025-6425 concerns a WebCompat WebExtension issue in Firefox/Thunderbird where enumerating resources could obtain a persistent, browser-identifying UUID that remains across containers and normal/private browsing (not in profiles). Affected: Firefox < 140, Firefox ESR < 115.25, Firefox E...

CVE-2012-4215

CVE-2012-4215 is a use-after-free in Mozilla Firefox’s nsPlaintextEditor::FireClipboardEvent that could allow remote code execution or a heap memory corruption, affecting Firefox before 17.0, Firefox ESR before 10.0.11, Thunderbird before 17.0, Thunderbird ESR before 10.0.11, and SeaMonkey before...

CVE-2012-4216

CVE-2012-4216 is a use-after-free in gfxFont::GetFontEntry affecting Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14. Exploitation could lead to remote code execution or a denial of service via h...

CVE-2012-5833

CVE-2012-5833 concerns WebGL texImage2D handling in Mozilla Firefox (and related Gecko-based products) that interacts with Mesa drivers. The vulnerability can allow remote code execution or a denial of service (memory corruption) via certain level parameter values. Affected versions include Firef...

CVE-2012-5838

CVE-2012-5838 affects the WebGL copyTexImage2D in Mozilla Firefox (<17.0), Thunderbird (<17.0), and SeaMonkey (

CVE-2016-9061

CVE-2016-9061 affects Firefox for Android, where a previously installed malicious Android app can exploit a signature-level permission to access API keys meant for Firefox. The issue is limited to Firefox for Android; other platforms are unaffected and Firefox versions prior to 50 are affected. T...

CVE-2025-1942

The CVE-2025-1942 vulnerability affects Mozilla Firefox (<136) and Mozilla Thunderbird (

CVE-2025-6430

The CVE-2025-6430 entry affects Firefox and Thunderbird prior to version 140 (and ESR prior to 128.12), where the Content-Disposition header is ignored for files loaded via embed/object, creating a potential cross-site scripting risk. Connected advisories confirm this affects Firefox/Thunderbird ...

CVE-2026-7320

CVE-2026-7320 involves an information disclosure in the Firefox Audio/Video component caused by incorrect boundary conditions. Affected products are Firefox desktop browser (and ESR branches). The vulnerability allows information disclosure with high confidentiality impact (per CVSS: AV:N/AC:L/PR...

CVE-2009-2472

Affected software: Mozilla Firefox before 3.0.12 (as per CVE-2009-2472). Issue: during object construction, Firefox did not always use XPCCrossOriginWrapper, allowing bypass of the Same Origin Policy and enabling cross-site scripting (XSS) via a crafted document. Impact: potential XSS vulnerabili...

CVE-2012-3956

CVE-2012-3956 is a use-after-free in MediaStreamGraphThreadRunnable::Run in Mozilla Firefox before 15.0 (and similar affected versions for Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0/ESR 10.x before 10.0.7, SeaMonkey before 2.12). Successful exploitation could allow remote attackers t...

CVE-2012-5835

CVE-2012-5835 describes an integer overflow in the WebGL subsystem of Mozilla Firefox prior to 17.0 (also affecting Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0 and Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14). The overflow can lead to remote code execution or a den...

CVE-2012-5840

CVE-2012-5840 is a Use-after-free vulnerability in Mozilla Firefox’s nsTextEditorState::PrepareEditor, affecting Firefox prior to 17.0, Firefox ESR 10.x prior to 10.0.11, Thunderbird prior to 17.0, Thunderbird ESR 10.x prior to 10.0.11, and SeaMonkey prior to 2.14. The flaw allows remote attacker...

CVE-2013-0771

CVE-2013-0771 describes a heap-based buffer overflow in Mozilla Firefox’s gfxTextRun::ShrinkToLigatureBoundaries, affecting Firefox before 18.0 (and ESR 17.x before 17.0.1), Thunderbird before 17.0.2 (and ESR 17.x before 17.0.1), and SeaMonkey before 2.15. Successful exploitation via a crafted do...

CVE-2018-18510

The CVE-2018-18510 entry affects Mozilla Firefox prior to version 64. The issue arises when web content can trigger the internal about:crashcontent and about:crashparent pages, enabling a non-persistent denial-of-service (DoS) against the loaded page or the browser. Affected component: Firefox re...

CVE-2008-4058

CVE-2008-4058 affects Mozilla-based products (Firefox, SeaMonkey, Thunderbird) where XPConnect could be abused to pollute XPCNativeWrappers via chrome XBL/chrome JS, enabling remote arbitrary-code execution with chrome privileges. Publicly documented affected ranges include Firefox before 2.0.0.1...

CVE-2009-2466

The CVE-2009-2466 issue affects Mozilla Firefox (and Thunderbird) up to version prior to 3.0.12, where the JavaScript engine can be abused to cause memory corruption, a crash, or potentially arbitrary code execution. The described vectors involve the engine internals in nsDOMClassInfo.cpp, JS_Has...

CVE-2017-7762

Summary: CVE-2017-7762 is a vulnerability in Firefox where, when entering a URL directly, Reader Mode did not strip the username and password portion of the address bar, enabling domain spoofing. The issue affects Firefox versions earlier than 54. The available connected documents confirm the roo...

CVE-2024-31393

This CVE (CVE-2024-31393) affects Mozilla Firefox for iOS prior to version 124. The issue stems from insufficient input validation when dragging Javascript URLs into the address bar, which could cause the URL to load and bypass certain security protections. Affected component is the address bar h...

CVE-2025-8029

CVE-2025-8029: Thunderbird and Firefox products are affected by a vulnerability where javascript: URLs are executed when used inside object and embed tags. The impact list states affected versions include Firefox < 141 and Thunderbird < 141 (and ESR branches

CVE-2026-2447

CVE-2026-2447 describes a heap buffer overflow in libvpx that affects components used by Firefox and Thunderbird. The Initial Description notes fixes in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. Connected documents corroborate the sa...

CVE-2003-1492

CVE-2003-1492 affects Netscape Navigator 7.0.2 and Mozilla, where an HTTP request to a domain with a trailing dot can cause cross-domain cookie access. The connected ROSA advisory lists this CVE as Fixed and notes remediation as updating Firefox (DNF command reference: sudo dnf update firefox). T...

CVE-2008-4062

Summary: CVE-2008-4062 covers multiple /unspecified / vulnerabilities in Mozilla Firefox (before 2.0.0.17 and 3.x before 3.0.2), Thunderbird (before 2.0.0.17), and SeaMonkey (before 1.1.12). The flaws involve the JavaScript engine and are triggered by vectors related to (1) misinterpretation of N...

CVE-2025-3034

CVE-2025-3034 corresponds to memory-safety bugs in Firefox 136 and Thunderbird 136. Some flaws show memory corruption and could be exploitable with enough effort to run arbitrary code. Affected products are Firefox < 137 and Thunderbird

CVE-2025-4084

CVE-2025-4084 concerns Firefox products. The issue arises from insufficient escaping of special characters in the copy as cURL feature, which could mislead users into running a crafted command and potentially enable local code execution on Windows. Affected software includes Firefox for Windows, ...

CVE-2026-7322

CVE-2026-7322 affects Mozilla Firefox: memory safety bugs in Firefox 150.0.0 and Firefox ESR 115.35.0, 140.10.0. Some bugs showed evidence of memory corruption and, with enough effort, could be exploited to run arbitrary code. Affected components include Firefox core/browser memory handling acros...

CVE-2012-4196

CVE-2012-4196 affects Mozilla Firefox (and related Mozilla components) where a prototype property-injection attack on the Location object (window.location) bypassed Same Origin Policy. Affected are Firefox prior to 16.0.2, Firefox ESR 10.x prior to 10.0.10, Thunderbird prior to 16.0.2, Thunderbir...

CVE-2012-5839

CVE-2012-5839 is a heap-based buffer overflow in Mozilla's gfxShapedWord::CompressedGlyph::IsClusterStart that affects Firefox and related Mozilla components. Affected software includes Mozilla Firefox before 17.0 (and ESR 10.x before 10.0.11), Thunderbird before 17.0 (and ESR 10.x before 10.0.11...

CVE-2019-11702

Summary of the vulnerability (CVE-2019-11702) : Mozilla Firefox versions prior to 67.0.2 on Windows are affected. A hyperlink using protocols associated with Internet Explorer (e.g., IE.HTTP:) can be used to open local files at a known location in Firefox if the user approves execution when promp...

CVE-2019-25136

CVE-2019-25136 describes a vulnerability in Mozilla Firefox where a compromised child process could inject XBL Bindings into privileged CSS rules, allowing arbitrary code execution and a sandbox escape. Affected software is Firefox versions before 70; the root cause is manipulation of XBL binding...

CVE-2025-1939

CVE-2025-1939 is an Android/Firefox-related issue where the Custom Tabs transition animation could be leveraged to mislead users into granting sensitive permissions by obscuring what they click. The vulnerability explicitly affects Mozilla Firefox versions older than 136.0. Impact concerns includ...

CVE-2025-4082

CVE-2025-4082 affects Thunderbird for macOS. It describes memory corruption in WebGL shader attributes that can trigger an out-of-bounds read, with potential for privilege escalation when combined with other issues. The vulnerability applies to Thunderbird versions before 138 and 128.10 (and to F...

CVE-2026-6766

CVE-2026-6766 affects NSS Libraries component. The issue is incorrect boundary conditions in NSS, with fixes landed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Affected platforms include Firefox/Thunderbird releases; remediation is upgrading to the indicated versi...

CVE-2026-8092

CVE-2026-8092 refers to memory safety bugs in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1 (and related Firefox components) with evidence of memory corruption and a potential for arbitrary code execution. The vulnerability was addressed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 11...

CVE-2012-4184

CVE-2012-4184 affects Mozilla's COW in Firefox (and related Mozilla products) prior to version 16.0 (Firefox), ESR 10.x prior to 10.0.8, Thunderbird prior to 16.0, Thunderbird ESR 10.x prior to 10.0.8, and SeaMonkey prior to 2.13. The issue allows a crafted web site to bypass restrictions and acc...

CVE-2012-4193

CVE-2012-4193 affects Mozilla Firefox and related Mozilla products (Firefox before 16.0.1, Firefox ESR before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR before 10.0.9, SeaMonkey before 2.13.1). Root cause: a security check in the defaultValue unwrapping of security wrappers is omitted, al...

CVE-2013-5610

CVE-2013-5610 is a memory-corruption vulnerability in the Mozilla Firefox browser engine (pre-26.0) and SeaMonkey (pre-2.23) with potential remote code execution via unknown vectors and denial of service. Public advisories (e.g., openSUSE/MFSA entries) indicate fixes are available by upgrading Fi...

CVE-2017-7845

CVE-2017-7845 is a concrete vulnerability: a buffer overflow in ANGLE’s Direct3D 9 path used for WebGL rendering can crash the process. It affects Windows, and is listed against Thunderbird < 52.5.2, Firefox ESR < 52.5.2, and Firefox

CVE-2008-4065

CVE-2008-4065 affects Mozilla Firefox (≤2.0.0.16, and ≤3.0.1/3.0.x before 3.0.2), Thunderbird (≤2.0.0.16), and SeaMonkey (≤1.1.11) with a BOM-based stripping issue that can bypass cross‑site scripting (XSS) protections. The root cause is removal of Stripped BOM characters from JavaScript code pri...

CVE-2008-4068

CVE-2008-4068 is a directory-traversal vulnerability in Mozilla Firefox (pre-2.0.0.17 and 3.x pre-3.0.2), Thunderbird (pre-2.0.0.17), and SeaMonkey (pre-1.1.12) triggered by crafted resource: URIs. The flaw lets remote attackers bypass local HTML restrictions, read sensitive information, and prom...

CVE-2025-1940

The CVE-2025-1940 issue concerns Mozilla Firefox for Android, where a select option could partially obscure the confirmation prompt shown before launching external apps. Root cause: UI/UX could mislead users into unknowingly launching an external app. Affected: Firefox on Android, versions earlie...

CVE-2025-6434

CVE-2025-6434 corresponds to the HTTPS-Only exception page lacking an anti-clickjacking delay, enabling potential user trickery to grant an exception and load an HTTP page. Public sources in the provided documents indicate affected products are Mozilla Firefox and Mozilla Thunderbird, specificall...

CVE-2025-8030

CVE-2025-8030 is publicly known and tied to an insufficent escaping in the “Copy as cURL” feature that could lead to code execution. The connected Astra Linux and Amazon/Linux advisories confirm the issue affects Firefox and Thunderbird across multiple tracks (e.g., Firefox < 141, Firefox ESR ...

CVE-2025-8034

CVE-2025-8034 involves memory safety bugs in Mozilla Firefox/Thunderbird across multiple releases (Firefox ESR 115.25, 128.12; Firefox/Thunderbird 140.x; ESR 115.26, 128.13, 140.1). Some bugs show memory corruption and could potentially be exploited to run arbitrary code. Affected products list i...

CVE-2025-9185

CVE-2025-9185 is a memory-safety issue affecting Firefox and Thunderbird components across Firefox/Thunderbird releases up to version 142 (Firefox <142, ESR <115.27/128.14/140.2; Thunderbird

CVE-2026-6786

CVE-2026-6786 refers to memory-safety bugs in Mozilla products (Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149, Thunderbird 149) with evidence of memory corruption. The description notes that some bugs could be exploited to run arbitrary code, and the fixes are implemented in Firefox 150, ...

CVE-2012-3963

CVE-2012-3963 is a Use-after-free in Mozilla Firefox's js::gc::MapAllocToTraceKind that can allow remote code execution. Affected: Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, SeaMonkey before 2.12. Mitigation: upgrade to Firefo...

CVE-2012-4179

CVE-2012-4179 is a use-after-free in Mozilla Firefox's nsHTMLCSSUtils::CreateCSSPropertyTxn that can lead to code execution or heap memory corruption. Affected are Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey befor...

CVE-2017-5397

The CVE-2017-5397 issue affects Mozilla Firefox, specifically versions earlier than 51.0.3. The root cause is a world-writable cache directory on the local filesystem, which Firefox uses to extract libraries. This configuration allows a local attacker with write access (e.g., a malicious installe...

CVE-2017-7759

Firefox for Android prior to version 54 is affected by CVE-2017-7759, where Android intent URLs can cause navigation from HTTP/HTTPS to local file: URLs, potentially exposing local data due to a same-origin policy violation. The issue is fixed in Firefox 54 (as noted in mfsa2017-15). Affected pro...