Vulnerabilities (CVE)

Filtered by vendor Mozilla Subscribe
Filtered by product Thunderbird
Total 1649 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
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.
CVE-2026-2772 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the Audio/Video: Playback component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2770 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 9.8 CRITICAL
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2768 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 10.0 CRITICAL
Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
CVE-2026-2803 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 7.5 HIGH
Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE-2026-2801 1 Mozilla 2 Firefox, Thunderbird 2026-02-26 N/A 7.5 HIGH
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.