CVE-2012-3974

CVE-2012-3974 is an Untrusted search path vulnerability in the installer for Mozilla Firefox (pre-15.0) and Thunderbird (pre-15.0; ESR 10.x) on Windows. Root cause: Trojan horse executable in a root directory enables local privilege escalation. Affected: Firefox before 15.0, Firefox ESR before 10...

CVE-2013-0781

CVE-2013-0781 is a use-after-free in Mozilla’s nsPrintEngine::CommonPrint that affects Firefox, Thunderbird, and SeaMonkey versions prior to their listed fixes (Firefox before 19.0, Thunderbird before 17.0.3, SeaMonkey before 2.16). The underlying issue is a heap memory corruption/use-after-free ...

CVE-2013-1726

CVE-2013-1726 affects Mozilla Updater in Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbird ESR 17.x before 17.0.9, and SeaMonkey before 2.21. The issue is failure to ensure exclusive access to a MAR file, allowing a local attacker to gain privileges by plac...

CVE-2026-6768

CVE-2026-6768 is a mitigation bypass in Mozilla’s Networking: Cookies component. Connected advisories confirm the vulnerability affects Mozilla products and is mitigated by upgrades to Firefox 150 and Thunderbird 150. Fedora/NSS/Firefox plugins list this CVE among a batch (CVE-2026-6768 included)...

CVE-2008-2808

Vulnerability CVE-2008-2808 affects Mozilla Firefox <2.0.0.15 and SeaMonkey

CVE-2009-3982

The CVE-2009-3982 entry concerns Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird, where exposure is via the JavaScript engine. The connected documents confirm a memory-corruption impact in the JS engine that could allow remote code execution or a crash, caused by unspe...

CVE-2011-3001

CVE-2011-3001 affects Mozilla Firefox 4.x–6, Thunderbird before 7.0, and SeaMonkey before 2.4. The issue allows a user-assisted remote bypass of access restrictions by triggering an internal error on a crafted site that triggers adding a browser extension through a holding Enter key sequence. The...

CVE-2012-4217

CVE-2012-4217 is a use-after-free in Mozilla Firefox <17.0, Thunderbird <17.0, and SeaMonkey

CVE-2017-7763

CVE-2017-7763 : On macOS OS X, default fonts render some Tibetan characters as whitespace, enabling spoofing when used in an IDN in the address bar. Affected products/versions (per connected docs): Firefox versions before 54, Firefox ESR before 52.2, and Thunderbird before 52.2. The issue is spec...

CVE-2025-4085

CVE-2025-4085 affects Mozilla Firefox (earlier than 138.0) and Mozilla Thunderbird (earlier than 138.0). The issue arises when a content process could abuse the privileged UITour actor to leak sensitive information or escalate privileges. The description consistently identifies the root cause as ...

CVE-2026-12296

CVE-2026-12296 describes a sandbox escape in the Security: Process Sandboxing component. Affected products include Mozilla Firefox and Firefox ESR, and Mozilla Thunderbird with fixes implemented in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. The description does not ...

CVE-2026-6779

CVE-2026-6779 refers to an “Other issue in the JavaScript Engine component” that affects Firefox and Thunderbird. The vulnerability was fixed in Firefox 150 and Thunderbird 150; Fedora advisories also call for updates to NSS and Firefox 150 across affected distros. The connected docs do not provi...

CVE-2026-8094

CVE-2026-8094 : A vulnerability in the WebRTC component reported in multiple feeds (CVE-2026-8094) affecting Mozilla Firefox ESR builds and Thunderbird. The available documents identify a WebRTC issue but do not provide detailed root cause, impacted products beyond Firefox ESR and Thunderbird, or...

CVE-2004-0757

CVE-2004-0757 describes a heap-based buffer overflow in the POP3 SendUidl capability of Mozilla < 1.7, Firefox < 0.9, and Thunderbird

CVE-2006-0236

The CVE-2006-0236 entry concerns Mozilla Thunderbird 1.0.2, 1.0.6, and 1.0.7. A GUI display truncation allows user-assisted attackers to execute arbitrary code via an attachment whose filename contains a large number of spaces and ends with a dangerous extension that Thunderbird does not display,...

CVE-2017-7755

CVE-2017-7755 affects Mozilla Firefox and Thunderbird installers on Windows. The Firefox installer can be made to load malicious DLLs stored in the same directory as the installer, enabling privilege escalation when the installer runs with elevated privileges. Affected products/versions include F...

CVE-2025-9184

The CVE-2025-9184 entry concerns memory safety bugs in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141, and Thunderbird 141, with evidence of memory corruption that could potentially allow arbitrary code execution. Affected products include Firefox < 142, Firefox ESR < 140.2, Thunderb...

CVE-2025-9187

CVE-2025-9187 concerns memory safety bugs in Mozilla Firefox (141) and Mozilla Thunderbird (141) that can lead to memory corruption and potential arbitrary code execution. It affects Firefox < 142 and Thunderbird

CVE-2026-74934

CVE-2026-74934 is a site isolation issue in the Graphics: CanvasWebGL component of Mozilla Firefox and Thunderbird. The CVSS 3.1 score is 7.5 (HIGH) with a vector of AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating a network-exploitable flaw requiring user interaction and high attack complexity, b...

CVE-2006-1726

Technical details (affected product/versions, root cause, impact, remediation) for CVE-2006-1726 are not publicly provided in the supplied documents. Monitor for updates from vendors/security advisories.

CVE-2008-5052

Mozilla Firefox 2.x (pre-2.0.0.18), Thunderbird 2.x (pre-2.0.0.18), and SeaMonkey 1.x (pre-1.1.13) are affected by CVE-2008-5052. The vulnerability arises in AppendAttributeValue in the JavaScript engine and is described as memory corruption that can cause a remote crash (Denial of Service) via u...

CVE-2010-0163

CVE-2010-0163 affects SeaMonkey before 1.1.19 and Mozilla Thunderbird before 2.0.0.24. The issue stems from a mail-attachment parser that performs casts and line termination incorrectly, enabling a remote attacker to crash the application or potentially execute arbitrary code via a crafted messag...

CVE-2011-2997

CVE-2011-2997 affects Mozilla Firefox (browser engine) versions on Windows/Linux/macOS as Firefox 6, Thunderbird before 7.0, and SeaMonkey before 2.4. Root cause: memory corruption in the browser engine that can cause denial of service or potentially allow arbitrary code execution via unknown vec...

CVE-2013-1706

CVE-2013-1706 is a stack-based buffer overflow in the Mozilla Maintenance Service (maintenanceservice.exe) used by Mozilla Firefox/Thunderbird. Affects Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, and Thunderbird ESR 17.x before 17.0.8. The root cause is...

CVE-2025-4090

CVE-2025-4090 affects Thunderbird for Android and Firefox/Thunderbird before version 138 (Thunderbird <138; Firefox

CVE-2025-8040

CVE-2025-8040 corresponds to memory-safety bugs in Mozilla Firefox/Thunderbird products (Firefox/Thunderbird 140 line, ESR 140.0 and related versions) with evidence of memory corruption that could potentially lead to arbitrary code execution. Affected components are the Firefox and Thunderbird br...

CVE-2026-16350

CVE-2026-16350 affects Mozilla Firefox and Firefox ESR (Audio/Video: cubeb). The issue is caused by incorrect boundary conditions in cubeb, with a remediation by upgrading to Firefox 153, Firefox ESR 115.38, or Firefox ESR 140.13. Public CVSS 3.1 vector indicates NETWORK attack, no user interacti...

CVE-2026-6762

CVE-2026-6762 is a spoofing issue in the DOM: Core & HTML component. Connected advisories confirm it affects Firefox/Thunderbird stacks and was fixed in Firefox 150, ESR 115.35, ESR 140.10, Thunderbird 150, and Thunderbird 140.10. The CVSS 3.1 base score is 6.3 (MEDIUM) with NETWORK attack vector...

CVE-2006-0295

CVE-2006-0295 affects Mozilla Firefox 1.5, Thunderbird 1.5 (when JavaScript is enabled in mail), and SeaMonkey older than 1.0. The vulnerability is a memory corruption caused by the QueryInterface method on built-in Location and Navigator objects, enabling remote code execution. Public references...

CVE-2008-2806

CVE-2008-2806 affects Mozilla Firefox <= 2.0.0.15 and SeaMonkey

CVE-2012-1964

CVE-2012-1964 corresponds to the certificate-warning clickjacking issue in Mozilla Firefox (4.x–12.0), Firefox ESR 10.x before 10.0.6, Thunderbird 5.0–12.0, and SeaMonkey before 2.10. The vulnerability arises from improper handling of clickjacking on the about:certerror page, allowing a MITM atta...

CVE-2013-0777

CVE-2013-0777 affects Mozilla Firefox, Thunderbird and SeaMonkey. The related openSUSE security update (openSUSE-SU-2013:0323-1) notes MFSA 2013-28 family fixes for Firefox/Thunderbird/SeaMonkey, including CVE-2013-0777, and lists fixed versions: Firefox 19.0, Thunderbird 17.0.3, SeaMonkey 2.16 (...

CVE-2017-7765

CVE-2017-7765 corresponds to a Mark of the Web bypass on Windows when saving files with very long names, bypassing the security warning before running downloaded executables. Affected products include Firefox < 54, Firefox ESR < 52.2, and Thunderbird

CVE-2025-5272

CVE-2025-5272 arises from memory-safety bugs in Mozilla Firefox 138 and Thunderbird 138, with some bugs showing memory corruption that could potentially allow arbitrary code execution. The affected products are Firefox versions prior to 139 and Thunderbird versions prior to 139. The issue is addr...

CVE-2026-12290

A memory-safety vulnerability affecting Mozilla Thunderbird and related Firefox components has been fixed in Thunderbird 152 and Firefox 152 (and ESR branches 140.12 and 115.37). The CVE-2026-12290 entry, and associated related CVEs cited in SUSE/OSV/Debian/Bugzilla/MFSA advisories, indicate a me...

CVE-2026-12292

CVE-2026-12292 : Incorrect boundary conditions in the Web Audio component are fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. Affected software is Mozilla Firefox/Thunderbird Web Audio implementation; mitigation is upgrade to the stated fixed versions. Other con...

CVE-2026-5731

CVE-2026-5731 refers to memory-safety bugs across Mozilla Firefox/Thunderbird products. The initial entry lists memory corruption possibilities in Firefox ESR 115.34.0 and 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1, and Thunderbird 149.0.1, with fixes in Firefox 149.0.2, Firefox ESR 115.34...

CVE-2026-6748

CVE-2026-6748 concerns uninitialized memory in Mozilla’s Audio/Video: Web Codecs component. The Initial CVE page notes fixes in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. Connected advisories from Debian (DSA-6225/DSA-6229) and DLA-4549/4546/NASL entries confirm mul...

CVE-2026-6758

CVE-2026-6758: Use-after-free in the JavaScript: WebAssembly component. Affected: Firefox and Thunderbird; fixed in Firefox 150 and Thunderbird 150. CVSS v3.1 base score 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). No explicit exploit details provided in the connected documents.

CVE-2011-2980

CVE-2011-2980 is described as a binary planting vulnerability in ThinkPadSensor::Startup that could be exploited to load a malicious DLL into the running Firefox/Thunderbird process. The issue is documented as a potential local attack vector requiring write access to an unspecified directory to p...

CVE-2013-0797

CVE-2013-0797 affects Mozilla Updater components in Mozilla Firefox (pre-20.0), Firefox ESR (<17.0.5), Thunderbird (<17.0.5, ESR), and SeaMonkey (

CVE-2013-5591

CVE-2013-5591 affects Mozilla Firefox before 25.0 (and ESR 24.x before 24.1), Thunderbird before 24.1, and SeaMonkey before 2.22, due to an unspecified browser‑engine vulnerability that could allow a remote attacker to cause memory corruption and an application crash, or possibly execute arbitrar...

CVE-2025-3032

The CVE-2025-3032 entry describes a vulnerability in Firefox and Thunderbird where file descriptors leak from the fork server to web content processes, enabling privilege escalation. Affected products are Firefox and Thunderbird versions prior to 137. The root cause is the unintended propagation ...

CVE-2025-4088

CVE-2025-4088 describes a cross-origin CSRF issue in Thunderbird (and affected Firefox) where malicious sites could exploit Redirects via the Storage Access API to send credentialed requests to arbitrary endpoints. Affected products: Firefox < 138 and Thunderbird

CVE-2026-2765

CVE-2026-2765 is a memory-safety issue described in the connected Astra/Amazon advisories as a use-after-free in the JavaScript Engine component. Affected products include Firefox (and ESR) and Thunderbird, with fixed versions noted as Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderb...

CVE-2010-1212

CVE-2010-1212 affects Mozilla Firefox 3.6.x (before 3.6.7) and Thunderbird 3.1.x (before 3.1.1). The issue arises from memory-safety defects in the browser engine’s tracing/recording paths, specifically in TraceRecorder::record_JSOP_BINDNAME, depth handling in TraceRecorder::record_JSOP_GETELEM, ...

CVE-2011-3666

Based on the Connected documents, CVE-2011-3666 is tied to Mozilla Firefox and Thunderbird on Mac OS X where a fix for CVE-2011-2372 was incorrectly applied, allowing a user-assisted bypass related to executable handling of .jar-like files via crafted web content. The Nessus/OpenSSH-related advis...

CVE-2014-1586

CVE-2014-1586 affects Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2. The issue is that the code path in content/base/src/nsDocument.cpp does not consider whether WebRTC video sharing is occurring, allowing a remote attacker to obtain sensitive informa...

CVE-2026-16361

CVE-2026-16361 affects Firefox ESR 115.37 and 140.12, described as memory safety bugs with evidence of memory corruption. The advisory notes these could have been exploited to run arbitrary code, and fixes are applied in Firefox ESR 115.38 and 140.13. Affected components/roots are not detailed be...

CVE-2026-16368

CVE-2026-16368: Affects Firefox JavaScript/WebAssembly component due to incorrect boundary conditions. Root cause described as boundary-condition flaw with all three security properties potentially impacted (high confidentiality, integrity, availability). Public fixed versions: Firefox 153 and Fi...