CVE-2026-8091

CVE-2026-8091 affects Mozilla Audio/Video: Playback with an incorrect boundary condition in the component. It is fixed by updating to Firefox 150, Thunderbird 150, and Firefox ESR 140.10.1 (and 140.10.2 per ESR updates) as well as Firefox ESR 115.35.2. Connected disclosures corroborate this is a ...

CVE-2006-3805

CVE-2006-3805 affects Mozilla Firefox (before 1.5.0.5), Thunderbird (before 1.5.0.5), and SeaMonkey (before 1.0.3). The issue stems from the JavaScript engine: a garbage-collection path could delete a temporary object still in use, potentially allowing arbitrary code execution. Public advisories ...

CVE-2007-4841

CVE-2007-4841 affects Mozilla Firefox (before 2.0.0.8), Mozilla Thunderbird (before 2.0.0.8), and SeaMonkey (before 1.1.5). The vulnerability permits remote command execution via (1) mailto, (2) nntp, (3) news, or (4) snews URIs that use invalid percent encoding, tied to improper file-type handli...

CVE-2008-2811

The CVE-2008-2811 issue affects Mozilla components (Firefox <2.0.0.15, Thunderbird ≤2.0.0.14, SeaMonkey

CVE-2008-4067

CVE-2008-4067 describes a directory traversal vulnerability 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) on Linux. An attacker could read arbitrary files via a resource: URI containing .. and URL-encoded / sequences. The c...

CVE-2008-5017

CVE-2008-5017 is an integer overflow in xpcom/io/nsEscape.cpp in the Mozilla browser engine. The vulnerability could allow a remote attacker to crash the affected application (DoS) via unspecified vectors in Mozilla Firefox 3.x prior to 3.0.4, Firefox 2.x prior to 2.0.0.18, Thunderbird 2.x prior ...

CVE-2008-5513

CVE-2008-5513 affects Mozilla Firefox. The issue arises in the session-restore feature, where restoration of SessionStore data can bypass the Same Origin Policy, enabling content injection and cross-site scripting (XSS) via unknown vectors. Affected products/versions include Firefox 3.x prior to ...

CVE-2009-3981

CVE-2009-3981 affects Mozilla Firefox before 3.0.16, SeaMonkey before 2.0.1, and Thunderbird. The issue is an unspecified remote vulnerability in the browser engine that can cause memory corruption, leading to a crash or potentially arbitrary code execution via unknown vectors, and can result in ...

CVE-2011-2982

CVE-2011-2982 affects Mozilla Firefox before 3.6.20, Thunderbird 2.x/3.x before 3.1.12, SeaMonkey 1.x/2.x, and possibly other Mozilla-based products. The issue stems from multiple unspecified browser‑engine vulnerabilities causing memory corruption and remote code execution or DoS via unknown vec...

CVE-2011-2988

CVE-2011-2988 describes a buffer overrun in an unspecified string class used by the WebGL shader implementation in Mozilla Firefox (4.x–5), SeaMonkey (2.x before 2.3), and Thunderbird before 6. The vulnerability can be triggered by a long shader source block, potentially allowing remote code exec...

CVE-2018-18512

CVE-2018-18512 is a use-after-free vulnerability in Thunderbird triggered while playing a sound notification. The memory holding the sound data is freed while playback continues asynchronously, enabling potential crashes. Affected products: Thunderbird versions prior to 60.5. Root cause: use-afte...

CVE-2025-14321

The CVE-2025-14321 entry documents a Use-after-free in the WebRTC: Signaling component affecting Firefox before 146 and Firefox ESR before 140.6, and Thunderbird before 146/140.6. Public advisories (ALAS and Debian S/DLA notes) indicate memory-safety/allocations issues are part of the Firefox/Thu...

CVE-2025-3033

CVE-2025-3033 affects Firefox on Windows (Thunderbird also affected per the entry), with exploitation involving selecting a malicious Windows .url shortcut from the local file system to upload an unexpected file. Affected versions are Firefox < 137 and Thunderbird

CVE-2006-5748

CVE-2006-5748 involves memory-corruption flaws in Mozilla Firefox before 1.5.0.8, Thunderbird before 1.5.0.8, and SeaMonkey before 1.0.6, potentially causing a crash or arbitrary code execution via unspecified vectors. The connected advisories confirm these products and versions are affected and ...

CVE-2007-5339

CVE-2007-5339 is in Mozilla Firefox (pre-2.0.0.8), Mozilla Thunderbird (pre-2.0.0.8) and SeaMonkey (pre-1.1.5). The flaws arise from crafted HTML triggering memory corruption or assert errors, leading to remote denial of service (crash); some entries also indicate potential arbitrary code executi...

CVE-2008-5500

CVE-2008-5500 affects Mozilla Firefox 3.x before 3.0.5 and Firefox 2.x before 2.0.0.19, Mozilla Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14. The vulnerability arises from the layout engine when processing malformed content, allowing a remote attacker to cause a denial of serv...

CVE-2008-5508

CVE-2008-5508 affects Mozilla Firefox (3.x prior to 3.0.5 and 2.x prior to 2.0.0.19), Mozilla Thunderbird (2.x prior to 2.0.0.19), and SeaMonkey (1.x prior to 1.1.14). The issue stems from improper parsing of URLs that start with leading whitespace or control characters, which can allow a remote ...

CVE-2008-5510

CVE-2008-5510 concerns the CSS parser in Mozilla Firefox (3.x up to 3.0.5 and 2.x up to 2.0.0.19), Thunderbird 2.x up to 2.0.0.19, and SeaMonkey 1.x up to 1.1.14, where the escaped null character (\0) is ignored, potentially allowing remote attackers to bypass sanitization protections. The descri...

CVE-2010-0159

CVE-2010-0159 affects Mozilla-based browsers including Firefox 3.0.x (before 3.0.18) and 3.5.x (before 3.5.8), Thunderbird before 3.0.2, and SeaMonkey before 2.0.3. The vulnerability arises from memory-corruption in layout handling, specifically in nsBlockFrame::StealFrame and related vectors, al...

CVE-2012-3968

CVE-2012-3968 is a use-after-free in Firefox’s WebGL implementation related to deletion of a fragment shader by its accessor. The issue allows remote attackers to execute arbitrary code via crafted web content. Affected products include Mozilla Firefox (and Firefox ESR 10.x lineage) prior to patc...

CVE-2012-4180

CVE-2012-4180 : A heap-based buffer overflow in the nsHTMLEditor::IsPrevCharInNodeWhitespace function in Mozilla Firefox prior to 16.0 (and Firefox ESR 10.x prior to 10.0.8; Thunderbird prior to 16.0; Thunderbird ESR 10.x prior to 10.0.8; SeaMonkey prior to 2.13) could allow remote code execution...

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-2018-18513

CVE-2018-18513 is a Firefox/Thunderbird vulnerability where a crash can occur while processing a crafted S/MIME message or an XPI package with a crafted signature, allowing a denial-of-service attack as Thunderbird reopens the last seen message on restart and re-triggers the crash. Affected produ...

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-2025-8033

The CVE-2025-8033 issue is a memory-safety bug in Mozilla’s JavaScript engine where closing generators could be resumed, causing a null pointer dereference. Affected products include Firefox and Thunderbird forks across multiple release lines (Firefox < 141, ESR tracks <115.26, <128.13, ...

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-2026-6766

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-2006-1732

Technical details (affected products, root cause, and exploit specifics) for CVE-2006-1732 are not provided in the supplied documents. Monitor for updates from official advisories.

CVE-2006-3807

CVE-2006-3807 describes a privilege-escalation vulnerability in Mozilla Firefox (pre-1.5.0.5), Thunderbird (pre-1.5.0.5), and SeaMonkey (pre-1.0.3). The issue arises when the standard Object() constructor is redefined by script, allowing named JavaScript functions to reference a privileged parent...

CVE-2006-4565

CVE-2006-4565 is a vulnerability in Mozilla-related products (Firefox/SeaMonkey/Thunderbird) tied to processing of certain JavaScript regular expressions. The root cause is flaws in handling specific regular expressions, which could crash the application or allow arbitrary code execution. Public ...

CVE-2008-2799

CVE-2008-2799 pertains to multiple unpatched JavaScript engine flaws in Mozilla Firefox (pre-2.0.0.15), Thunderbird (pre-2.0.0.14 and earlier), and SeaMonkey (pre-1.1.10). The vulnerabilities allow a remote attacker to cause a crash and potentially execute arbitrary code via unknown vectors relat...

CVE-2008-5016

CVE-2008-5016 affects Mozilla Firefox (3.x up to 3.0.4), Thunderbird (2.x up to 2.0.0.18), and SeaMonkey (1.x up to 1.1.13). The issue is triggered by the layout engine and can cause a remote denial of service (crash) via multiple vectors that lead to an assertion failure or other consequences. A...

CVE-2009-1305

CVE-2009-1305 is a vulnerability in the JavaScript engine of Mozilla Firefox (and affected Thunderbird/SeaMonkey) prior to version 3.0.9. It allows remote attackers to cause a denial of service (application crash) and potentially memory corruption via vectors involving JSOP_DEFVAR and properties ...

CVE-2010-2763

CVE-2010-2763 concerns the XPCSafeJSObjectWrapper (SJOW) in Mozilla’s Firefox/XULRunner implementation. The connected documents confirm a logical error in the SJOW scripted function handling on the Mozilla 1.9.1 development branch, allowing a caller to execute a function in the context of another...

CVE-2011-2605

CVE-2011-2605 is a CRLF-injection issue in Firefox/Thunderbird: nsCookieService::SetCookieStringInternal mishandles a newline in document.cookie, bypassing access restrictions. Affected: Mozilla Firefox before 3.6.18 and 4.x through 4.0.1; Thunderbird before 3.1.11. Outcome: potential cookie isol...

CVE-2011-3670

CVE-2011-3670 affects Firefox prior to 3.6.26 and 4.x–6.0, Thunderbird prior to 3.1.18 and 5.0–6.0, and SeaMonkey prior to 2.4. The issue: improper enforcement of IPv6 literal address syntax, allowing remote attackers to cause information disclosure by reading error messages from XMLHttpRequest c...

CVE-2012-3958

CVE-2012-3958 describes a use-after-free in Mozilla’s browser components, specifically nsHTMLEditRules::DeleteNonTableElements. A remote attacker could exploit this to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors. Affected products include M...

CVE-2026-12304

CVE-2026-12304 involves a Same-origin policy bypass in the Networking: Cookies component affecting Mozilla products. The vulnerability is documented for Firefox and Thunderbird (including firefox-esr and Thunderbird ESR variants) with fixes implemented in Firefox 152, Firefox ESR 140.12, Thunderb...

CVE-2026-6769

CVE-2026-6769 is a privilege-escalation issue in the Firefox/Thunderbird Debugger component. The Initial Description states a fix in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Connected advisories (ALAS2FIREFOX-2026-058, ALSA-2026:19348, ALSA-2026:10757, Debian DLA/...

CVE-2026-8093

CVE-2026-8093 concerns memory-safety bugs in Firefox 150.0.1. The gathered records describe memory corruption clues and state that, with sufficient effort, some flaws could have allowed arbitrary code execution. Mozilla's advisory confirms the issue was fixed in Firefox 150.0.2. Affected software...

CVE-2006-1734

CVE-2006-1734 affects Mozilla Firefox/Thunderbird 1.x prior to 1.5 and 1.0.x prior to 1.0.8, Mozilla Suite prior to 1.7.13, and SeaMonkey prior to 1.0. The vulnerability arises from the Object.watch method being able to access the internal cloneParent function, enabling remote attackers to execut...

CVE-2006-2778

CVE-2006-2778 affects Mozilla Firefox and Thunderbird before 1.5.0.4. The crypto.signText function can be triggered by certain optional Certificate Authority name arguments, causing an invalid array index and a buffer overflow. This may allow remote code execution. The entry’s CVSS v2 base score ...

CVE-2006-5747

CVE-2006-5747 affects Mozilla Firefox <=1.5.0.7/8, Thunderbird <=1.5.0.7/8, and SeaMonkey

CVE-2008-1234

This CVE-2008-1234 relates to an XSS vulnerability in Mozilla components: Firefox < 2.0.0.13, Thunderbird < 2.0.0.13, and SeaMonkey

CVE-2008-2802

The CVE-2008-2802 entry affects Mozilla Firefox <= 2.0.0.14/2.0.0.15? and earlier Thunderbird 2.0.0.14 and SeaMonkey

CVE-2011-2376

CVE-2011-2376 affects Mozilla Firefox before 3.6.18 and Thunderbird before 3.1.11. The vulnerability is in the browser engine, described as unspecified, with memory corruption that can cause a denial of service or an eventual arbitrary code execution via unknown vectors, potentially crashing the ...

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-2025-8028

CVE-2025-8028 describes a vulnerability in Firefox and Thunderbird affecting arm64 WASM, where a br_table with many entries can cause the branch label to be miscomputed due to truncation. Affected are Firefox and Firefox ESR versions prior to 141/115.26/128.13/140.1 and Thunderbird versions prior...