CVE-2026-6777

CVE-2026-6777 is a general description of an issue in the Networking: DNS component, without explicit exploitation details. The connected advisories indicate a fix in Firefox 150 and Thunderbird 150, and Fedora advisories recommend updating NSS to 3.122.1 along with Firefox to 150.0. The ENISA/EU...

CVE-2008-4061

CVE-2008-4061: An integer overflow in the MathML component of Mozilla Firefox can be triggered by an mtd element with a large rowspan value. Affects 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. Impact: remote memory corruption, denial of ...

CVE-2009-1841

CVE-2009-1841 affects Mozilla products: Firefox <3.0.11, Thunderbird <2.0.0.22, SeaMonkey

CVE-2011-2981

The CVE-2011-2981 issue affects Mozilla Firefox before 3.6.20, SeaMonkey 2.x, Thunderbird 3.x before 3.1.12, and related products. Root cause: the event-management implementation does not correctly choose the proper script context, allowing remote attackers to bypass the Same Origin Policy or run...

CVE-2012-1940

CVE-2012-1940 is a use-after-free in Mozilla’s browser engines. Affects Firefox 4.x–12.0, ESR 10.x prior to 10.0.5, Thunderbird 5.0–12.0, ESR 10.x prior to 10.0.5, and SeaMonkey before 2.10. The flaw is in nsFrameList::FirstChild when a container of absolutely positioned elements in a column chan...

CVE-2012-5838

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

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-2013-1719

CVE-2013-1719 affects Mozilla Firefox (<24.0), Thunderbird (<24.0), and SeaMonkey (

CVE-2025-1942

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

CVE-2025-8037

CVE-2025-8037 affects Mozilla Firefox (and Thunderbird) browsers when a nameless cookie value contains an equals sign, shadowing other cookies. Affected: Firefox <141, Firefox ESR <140.1, Thunderbird <141, Thunderbird

CVE-2026-2797

CVE-2026-2797 is a use-after-free in the JavaScript: GC component affecting Firefox and Thunderbird. The issue was fixed in Firefox 148 and Thunderbird 148. Public exploits are noted in some sources; CVSS metrics indicate a high-severity, memory-safety class vulnerability with network attack vect...

CVE-2026-6773

The vulnerability CVE-2026-6773 is a denial-of-service caused by an integer overflow in the Graphics: WebGPU component. Affected products identified in the provided sources include Firefox and Thunderbird; the issue was fixed in Firefox 150 and Thunderbird 150. The CVE’s impact is documented as h...

CVE-2006-1738

CVE-2006-1738 affects Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0. The vulnerability allows a remote attacker to cause a crash (DoS) by altering the (1) -moz-grid and (2) -moz-grid-group display styles. Root cause is...

CVE-2006-5463

CVE-2006-5463 affects Mozilla Firefox (before 1.5.0.8), Thunderbird (before 1.5.0.8), and SeaMonkey (before 1.0.6). The vulnerability arises from modifying a Script object while it is executing, which could allow remote attackers to execute arbitrary JavaScript bytecode. Exploitation could enable...

CVE-2008-5022

CVE-2008-5022 affects multiple Mozilla-based browsers: nsXMLHttpRequest::NotifyEventListeners in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13. Root cause: bypass of the same-origin policy due to bypassed inner window check...

CVE-2011-2364

CVE-2011-2364 relates to an unspecified vulnerability in the browser engine of Mozilla Firefox 3.6.x before 3.6.18 and Thunderbird before 3.1.11. The issue can cause a denial of service via memory corruption and may allow arbitrary code execution. Affected products are Firefox up to 3.6.17 and Th...

CVE-2012-0462

CVE-2012-0462 describes multiple unspecified vulnerabilities in Mozilla Firefox’s browser engine (Firefox 4.x–10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0–10.0, Thunderbird ESR 10.x before 10.0.3, SeaMonkey before 2.8) that can cause denial of service (memory corruption and crash) or pos...

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-2006-0749

CVE-2006-0749 affects Mozilla Firefox and Thunderbird (Firefox/Thunderbird 1.x before 1.5 and Mozilla Suite before 1.7.13; SeaMonkey before 1.0.8). The issue is a memory corruption triggered by a particular sequence of HTML tags, leading to memory corruption, a remote crash, and possibly arbitrar...

CVE-2006-2779

CVE-2006-2779 affects Mozilla Firefox and Thunderbird prior to 1.5.0.4. The vulnerability enables memory corruption leading to denial of service (crash) and potential remote code execution via multiple vectors (including nested tags in a select, DOMNodeRemoved mutation events, Content-implemente...

CVE-2006-4570

CVE-2006-4570 affects Mozilla Thunderbird and SeaMonkey. With Load Images enabled, a remote XBL file loaded when viewing/forwarding/replying to a message can bypass the user’s JavaScript-disabled settings, enabling remote JavaScript execution. Affected versions in public advisories are Thunderbir...

CVE-2007-3844

CVE-2007-3844 affects Mozilla Firefox 2.0.0.5, Thunderbird 2.0.0.5 and earlier (1.5.0.13), and SeaMonkey 1.1.3. The issue allows remote attackers to perform cross-context scripting (XSS) with chrome privileges by injecting a javascript: or data: link into an about:blank document loaded by chrome ...

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-2008-5512

CVE-2008-5512 affects Mozilla Firefox 3.x before 3.0.5 and Firefox/Thunderbird/SeaMonkey lines older than the cited versions; severity details align with NFV advisories. The vulnerability arises from a flaw in how page content can pollute XPCNativeWrappers, permitting remote attackers to run arbi...

CVE-2010-3131

CVE-2010-3131 is an untrusted search path vulnerability in Firefox/SeaMonkey/Thunderbird where dwmapi.dll loaded from the current working directory can be exploited if a malicious HTML/EML file is opened. The issue occurs on Windows (not Linux per the sources) when the browser loads dwmapi.dll at...

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-2013-5601

CVE-2013-5601 is a use-after-free in Mozilla Firefox’s nsEventListenerManager::SetEventHandler that could allow remote code execution. Affected products and versions include Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1 and ESR 17.x before 17.0...

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-2025-5262

CVE-2025-5262: A double-free in vpx_codec_enc_init_multi after a failed allocation during WebRTC encoder initialization can cause memory corruption and a potentially exploitable crash. Affected: Thunderbird < 139 and Thunderbird

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-2025-8031

CVE-2025-8031 concerns a vulnerability where the username:password portion is not correctly stripped from URLs in CSP reports, potentially leaking HTTP Basic Authentication credentials. The CVE’s context across connected documents shows affected software including Firefox and Thunderbird variants...

CVE-2025-9181

CVE-2025-9181: Uninitialized memory in the JavaScript Engine is confirmed in connected documents affecting Firefox and Thunderbird branches prior to version 142 (and ESR branches prior to 128.14, 140.2 for ESR). The issue is a memory-safety bug in the JS engine; no exploitation details are provid...

CVE-2026-12294

CVE-2026-12294 concerns a Sandbox escape in the DOM: Workers component found in Mozilla products. The vulnerability affects Firefox (including Firefox 152 and ESR branches 140.12 and 115.37) and Thunderbird (152 and 140.12). The underlying issue is a sandbox escape in the Workers component, with ...

CVE-2008-5024

CVE-2008-5024 concerns Mozilla Firefox 3.x prior to 3.0.4, Firefox 2.x prior to 2.0.0.18, Thunderbird 2.x prior to 2.0.0.18, and SeaMonkey 1.x prior to 1.1.13. The issue arises from improper escaping of quote characters in XML processing via E4X (default namespace), enabling remote XML injection....

CVE-2009-1838

CVE-2009-1838 affects Mozilla Firefox (pre-3.0.11), Thunderbird (pre-2.0.0.22), and SeaMonkey (pre-1.1.17). The garbage-collection implementation can set an element’s owner document to null under unspecified circumstances, due to an incorrect event-handler context. This allows remote attackers to...

CVE-2009-2210

CVE-2009-2210 affects Mozilla Thunderbird before 2.0.0.22 and SeaMonkey before 1.1.17. It allows a remote attacker to cause a denial of service (application crash) or potentially execute arbitrary code via a multipart/alternative e‑mail message containing a text/enhanced part that triggers access...

CVE-2010-0175

CVE-2010-0175 is a use-after-free in the nsTreeSelection code path for XUL tree items, affecting Mozilla Firefox before 3.0.19 and 3.5.x before 3.5.9, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4. Exploitation could allow remote code execution or cause a crash via triggering the select ev...

CVE-2012-0468

CVE-2012-0468 affects Mozilla Firefox 4.x–11.0, Thunderbird 5.0–11.0, and SeaMonkey before 2.9. The browser engine’s vulnerability is tied to vectors related to jsval.h and the js::array_shift function, leading to a potential denial of service (assertion failure and memory corruption) and possibl...

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-2026-16356

CVE-2026-16356 describes a sandbox-escape use-after-free flaw in Mozilla Firefox’s Disability Access APIs component. The NVD entry notes this vulnerability affects Firefox desktop products and was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. The consolidated feeds (NVD, Debia...

CVE-2026-16375

CVE-2026-16375 affects Mozilla Firefox’s Networking: HTTP component with a site isolation issue. The vulnerability was fixed in Firefox 153 and Firefox ESR 140.13. Affected product: Firefox (Networking: HTTP) with site isolation as the underlying bug. According to the provided documents, the CVSS...

CVE-2026-2796

CVE-2026-2796 describes a JIT miscompilation in the JavaScript: WebAssembly component that affects Firefox and Thunderbird prior to version 148. The root cause is a JIT miscompilation in the WebAssembly pathway within the JavaScript engine, leading to a high-severity impact (as reflected by the C...

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-2011-0062

This CVE (CVE-2011-0062) affects Mozilla Firefox 3.6.x before 3.6.14 and Thunderbird 3.1.x before 3.1.8, per the Initial Description. It arises from multiple unspecified vulnerabilities in the browser engine that can cause memory corruption and application crash (DoS) or potentially allow arbitra...

CVE-2011-2365

CVE-2011-2365 involves an unspecified vulnerability in the browser engine of Mozilla Firefox 3.6.x (pre-3.6.18) and Thunderbird before 3.1.11. Exploitation could cause a denial of service (memory corruption and application crash) or, in some cases, allow arbitrary code execution via unknown vecto...

CVE-2011-2375

CVE-2011-2375 is a set of multiple unspecified vulnerabilities in the Mozilla Firefox browser engine, affecting Firefox before 5.0 and Thunderbird through 3.1.11 . Exploitation could cause memory corruption and a crash, with a possible remote code execution via unknown vectors. The connected Mira...

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-2026-6754

CVE-2026-6754 is a memory-safety issue (Use-after-free) in the JavaScript Engine component that was fixed in Firefox 150 and related ESR branches, as well as Thunderbird 150/140.x lines. Public advisories confirm the flaw in the JavaScript engine leads to a potentially exploitable memory corrupti...

CVE-2006-1723

CVE-2006-1723 affects Firefox and Thunderbird prior to 1.5.0.2, and SeaMonkey prior to 1.0.1. The issue is described as an unspecified vulnerability that can cause a remote denial of service (crash) and possibly arbitrary code execution via unknown DHTML attack vectors. The initial document does ...

CVE-2006-3113

CVE-2006-3113 affects Mozilla Firefox