Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Thunderbird
Total 1635 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-0797 6 Debian, Gstreamer, Linux and 3 more 15 Debian Linux, Gstreamer, Linux Kernel and 12 more 2026-03-17 6.8 MEDIUM N/A
GStreamer before 1.4.5, as used in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 on Linux, allows remote attackers to cause a denial of service (buffer over-read and application crash) or possibly execute arbitrary code via crafted H.264 video data in an m4v file.
CVE-2026-2771 1 Mozilla 2 Firefox, Thunderbird 2026-03-11 N/A 9.8 CRITICAL
Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2791 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Mitigation bypass in the Networking: Cache component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2788 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2784 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2779 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Incorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2778 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 10.0 CRITICAL
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2776 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 10.0 CRITICAL
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2775 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2773 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Incorrect boundary conditions in the Web Audio component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2766 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2765 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2764 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2763 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2762 1 Mozilla 2 Firefox, Thunderbird 2026-02-28 N/A 9.8 CRITICAL
Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2796 1 Mozilla 2 Firefox, Thunderbird 2026-02-27 N/A 9.8 CRITICAL
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE-2026-2799 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the DOM: Core & HTML component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE-2026-2797 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE-2026-2795 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE-2026-2789 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.