CVE-2026-12297

CVE-2026-12297 describes a sandbox escape caused by incorrect boundary conditions in Mozilla Firefox/Thunderbird networking code. Affects Firefox and Thunderbird components; underlying fault is boundary-condition handling in the Networking component that allowed escape from the sandbox. Impact pe...

CVE-2026-12318

CVE-2026-12318 concerns the Mozilla NSS Libraries component. The vulnerability is described as incorrect boundary conditions in the NSS Libraries, with the fixed versions identified as Firefox 152 and Thunderbird 152. Connected sources confirm this fix and cite Firefox/Thunderbird 152 as the reme...

CVE-2026-6757

CVE-2026-6757 corresponds to an invalid pointer in the JavaScript: WebAssembly component. The connected advisories confirm affected products as Firefox (including Firefox 150 and Firefox ESR 140.10) and Thunderbird (150 and 140.10), with fixes in those respective versions. Several entries (ALSA p...

CVE-2025-10532

CVE-2025-10532 involves incorrect boundary conditions in the JavaScript: GC component affecting Firefox and Thunderbird products. Affected versions: Firefox and Thunderbird before 143, and ESR before 140.3. Connected advisories indicate fixes released as Firefox/Thunderbird updates (e.g., Firefox...

CVE-2025-10537

CVE-2025-10537 involves memory-safety bugs in Mozilla Firefox and Thunderbird (Firefox ESR 140.2/ Thunderbird ESR 140.2; Firefox 142/ Thunderbird 142) with potential to corrupt memory and, with enough effort, could allow arbitrary code execution. Affected: Firefox < 143, Firefox ESR < 140.3...

CVE-2026-12328

CVE-2026-12328 pertains to memory safety bugs in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151, and Thunderbird 151. Some bugs showed memory corruption and could potentially be exploited to run arbitrary code. Remediations are available: Firefox 152, Firefox ESR 140....

CVE-2026-8959

CVE-2026-8959 describes a sandbox escape caused by incorrect boundary conditions in the Widget: Win32 component. The vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. CVSS 3.1 base metrics indicate a Network attacker, no privileges required, but ...

CVE-2025-14322

CVE-2025-14322: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. Affected software: Firefox versions before 146 and ESR before 115.31 and 140.6. The issue is described across multiple advisories (ALAS2023-2025-1337, ALAS2FIREFOX-2025-049, ALSA-2025:23128...

CVE-2025-8043

CVE-2025-8043 relates to Firefox and Thunderbird where URL truncation occurs toward the origin, with affected versions Firefox < 141 and Thunderbird

CVE-2026-0877

CVE-2026-0877 is a mitigation bypass in the DOM: Security component, affecting Firefox versions below 147, including Firefox ESR <115.32 and ESR

CVE-2025-11712

The CVE-2025-11712 entry is supported by connected documents describing the same issue across Mozilla products. Affected software for this CVE includes Firefox and Thunderbird prior to version 144 (Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, Thunderbird

CVE-2025-14324

CVE-2025-14324 describes a JIT miscompilation in the JavaScript Engine’s JIT component affecting Firefox < 146, Firefox ESR < 115.31 and < 140.6, and Thunderbird

CVE-2026-12325

CVE-2026-12325 is a denial-of-service vulnerability in the Graphics: ImageLib component. Affected products include Mozilla Firefox and Thunderbird; root cause and impact are described as DoS in ImageLib. The vulnerability is fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbir...

CVE-2026-2774

CVE-2026-2774 is an integer overflow in the Firefox Audio/Video component. Public sources indicate Firefox/ESR updates (Firefox 148, ESR 115.33, ESR 140.8) fix the flaw; affected products include Firefox and Thunderbird per accompanying advisories. The issue is rated high/critical by CVSS sources...

CVE-2025-11711

The provided connected advisories confirm CVE-2025-11711 affects Firefox and Thunderbird across multiple versions (Firefox < 144, ESR < 140.4, Thunderbird < 144, ESR

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-2026-12313

CVE-2026-12313 affects Firefox and Thunderbird: Information disclosure and sandbox escape in the Security: Process Sandboxing component. The vulnerability is fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12 (per Mozilla advisories and downstream vendor trackers). ...

CVE-2026-2783

CVE-2026-2783 is a JIT miscompilation information-disclosure vulnerability in the JavaScript Engine (JIT component) that affects Firefox and Thunderbird products. Public details in connected advisories state the issue arises from JIT miscompilation, enabling information disclosure, and indicate f...

CVE-2026-6778

CVE-2026-6778 describes an invalid pointer in the Audio/Video: Playback component of Mozilla Firefox (and Thunderbird) that was fixed in Firefox 150 and Thunderbird 150. The CVSSv3.1 base score is 5.3 (Medium) with availability impact Low; no exploit specifics are provided in the sources. OpenSUS...

CVE-2026-8953

CVE-2026-8953 describes a sandbox escape caused by a use-after-free in the Disability Access APIs component. Affected products include Firefox (fixed in Firefox 151) and Firefox ESR (115.36, 140.11), as well as Thunderbird (151, 140.11). The public records indicate a memory-unsafe defect in the D...

CVE-2025-14327

CVE-2025-14327 is a spoofing vulnerability in the Downloads Panel component affecting Firefox < 146, Thunderbird < 146, Firefox ESR < 140.7, and Thunderbird

CVE-2026-12298

CVE-2026-12298 is a memory-safety bug affecting Firefox and Thunderbird components, with fixes in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. Connected advisories (ALSA/RLSA/SUSE/Fedora/Red Hat) enumerate the same CVE among a broader set of related issues and indicat...

CVE-2026-2788

CVE-2026-2788 concerns incorrect boundary conditions in the Audio/Video: GMP component of Mozilla Firefox. Public advisories (e.g., Firefox/Firefox ESR updates in Firefox 148, ESR 115.33, ESR 140.8) and downstream Debian/AlmaLinux advisories confirm the fix was applied in those versions. Connecte...

CVE-2026-2807

CVE-2026-2807 affects Firefox 147 and Thunderbird 147 with memory-safety bugs that can lead to memory corruption and potential arbitrary code execution; the flaws are fixed in Firefox 148 and Thunderbird 148. Connected sources describe exploitable memory safety issues across components (e.g., DOM...

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-2026-2767

CVE-2026-2767 is a use-after-free vulnerability in the JavaScript: WebAssembly component of Firefox/Thunderbird. Affected products include Firefox (Desktop) and Thunderbird with the WebAssembly implementation; the issue is addressed by fixes in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and...

CVE-2026-2779

CVE-2026-2779 covers incorrect boundary conditions in Networking: JAR within Firefox (and Firefox ESR). Public advisories indicate the issue affects Firefox before version 148 and Firefox ESR before 140.8, with Firefox 148/ESR 140.8 and Thunderbird updates mitigating it. The connected Amazon Linu...

CVE-2026-2787

CVE-2026-2787 is a use-after-free in the DOM: Window and Location component, with fixes in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Connected sources corroborate the issue in Firefox-related components and list the affected products as Firefox/Th...

CVE-2026-8946

The CVE-2026-8946 entry concerns the Audio/Video: Web Codecs component and its boundary-condition handling. Affected software is Firefox (and ESR releases) where the vulnerability was addressed by fixes in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11. The underlying issue is described ...

CVE-2026-8950

CVE-2026-8950 is a reported same-origin policy bypass in the Networking: HTTP component, with root cause not explicitly detailed in the provided documents. Affected software includes Firefox (fixed in version 151) and Firefox ESR (140.11), as well as Thunderbird (fixed in 151 and 140.11). The CVS...

CVE-2026-8974

CVE-2026-8974 concerns memory-safety bugs in Thunderbird 140.10 and Thunderbird 150 that could enable arbitrary code execution; fixes are available in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. Multiple vendor advisories (e.g., openSUSE SUSE 10813-1, Slackware advis...

CVE-2025-11721

CVE-2025-11721 describes a memory safety bug in Firefox 143 and Thunderbird 143, with evidence of memory corruption and potential arbitrary-code execution. Affected versions include Firefox < 144 and Thunderbird

CVE-2026-2780

CVE-2026-2780: Privilege escalation in the Netmonitor component of Firefox/Thunderbird. The vulnerability is fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Affected products include Firefox family and Thunderbird; root cause is in the Netmonitor component. Remedi...

CVE-2026-2782

CVE-2026-2782 affects Firefox (Netmonitor component) and is fixed in Firefox 148 and Firefox ESR 140.8, also addressed in Thunderbird 148/140.8. The connected sources corroborate privilege-escalation via Netmonitor across Mozilla products and note remediation as upgrading to Firefox 148+/Thunderb...

CVE-2026-2795

CVE-2026-2795 is a use-after-free in the JavaScript: GC component affecting Mozilla Firefox and Mozilla Thunderbird. Technical details across connected sources consistently identify the flaw in the GC object handling, with exploitation risk implied by the high/critical CVSS data. The vulnerabilit...

CVE-2025-11719

CVE-2025-11719 affects Mozilla Firefox and Thunderbird. On Windows, use of the native messaging API by web extensions can trigger use-after-free memory corruption, leading to crashes. Affected versions: Firefox < 144 and Thunderbird

CVE-2025-14333

CVE-2025-14333 corresponds to memory safety bugs in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145, and Thunderbird 145. The advisory set indicates exploitation could allow arbitrary code execution and affects Firefox/Thunderbird versions before 146 and ESR before 140.6. Remediation guidan...

CVE-2026-12299

CVE-2026-12299 is a JIT miscompilation vulnerability in the DOM: Core & HTML component that affects Firefox and Thunderbird products. The issue is fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. The CVSSv3.1 vector is CVSS:3.1/AV:N/AC:H/PR:N/...

CVE-2026-2763

CVE-2026-2763 is a use-after-free in the JavaScript Engine component of Mozilla Firefox. The vulnerability affects Firefox and related ESR branches, and has been fixed in Firefox 148 and ESR versions 115.33, 140.8; Thunderbird 148/140.8 are also listed in fixed advisories. Connected sources corro...

CVE-2026-2798

CVE-2026-2798 is a use-after-free in the DOM: Core & HTML components affecting Firefox and Thunderbird. It was fixed in Firefox 148 and Thunderbird 148. Public exploits exist. Remediation: update to the latest Firefox/Thunderbird versions (148+).

CVE-2026-2799

CVE-2026-2799 is a use-after-free vulnerability in the DOM: Core & HTML components of Mozilla Firefox and Thunderbird. The issue, identified across multiple advisories, is resolved in Firefox 148 and Thunderbird 148. Public exploit activity is noted in connected sources. Affected products include...

CVE-2026-2801

CVE-2026-2801 concerns an issue in the JavaScript: WebAssembly component where incorrect boundary conditions were present. Affected software includes Mozilla Firefox and Mozilla Thunderbird; reports indicate the problem was fixed in Firefox 148 and Thunderbird 148. Some sources also reference Thu...

CVE-2026-3889

CVE-2026-3889 is a spoofing vulnerability in Thunderbird. The issue affects Thunderbird releases earlier than 149 and earlier than 140.9 and could enable spoofing via malformed strings from a mail server. Mozilla fixed the vulnerability in Thunderbird 149 and Thunderbird 140.9; affected users sho...

CVE-2026-6759

CVE-2026-6759 is a use-after-free in the Mozilla Widget: Cocoa component. Affected products include Firefox and Thunderbird; the vulnerability was fixed in Firefox 150 and Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. This is confirmed across multiple connected advisories and CVE l...

CVE-2026-8972

The CVE-2026-8972 issue affects the WebRTC: Audio/Video component in Mozilla Thunderbird (and Firefox) and is described as a privilege-escalation vulnerability. Technical sources consistently state it was fixed in Firefox 151 and Thunderbird 151. The available documents do not provide deeper root...

CVE-2026-12316

CVE-2026-12316 describes a mitigation bypass in the DOM: Security component that was fixed in Mozilla Firefox 152 and Thunderbird 152. The connected documents confirm that this is a software-level patch by Mozilla, addressing a DOM-related security bypass. The vulnerability details in the public ...

CVE-2026-2762

CVE-2026-2762 is an integer overflow in the JavaScript: Standard Library component that affects Firefox (non-ESR) and related Mozilla products. The issue is confirmed fixed in Firefox 148 and Firefox ESR 140.8, as well as Thunderbird 148 and Thunderbird 140.8. Connected advisories (Astra Linux bu...

CVE-2026-2771

CVE-2026-2771 is an undefined-behavior vulnerability in the DOM: Core & HTML component of Mozilla Firefox/Thunderbird family that was fixed in Firefox 148, Firefox ESR 115.33 and 140.8, Thunderbird 148 and 140.8. The issue is reported across multiple advisories (Astra Linux bulletin and Amazon Li...

CVE-2026-2775

CVE-2026-2775 is a mitigation bypass in the DOM: HTML Parser component. The initial description states a fix in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. Connected sources (Astra Linux bulletin and Amazon Linux advisories) reiterate the same mitig...

CVE-2026-2802

The CVE-2026-2802 entry describes a race condition in the JavaScript: GC component. Connected sources confirm this affects Firefox and Thunderbird and state the vulnerability was fixed in Firefox 148 and Thunderbird 148. Practical impact is a concurrency issue in the GC path; no exploitation deta...