Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
Security Fix(es):
- libvpx: Heap buffer overflow in libvpx (CVE-2026-2447)
- firefox: Invalid pointer in the JavaScript Engine component (CVE-2026-2785)
- firefox: Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148 (CVE-2026-2793)
- firefox: Undefined behavior in the DOM: Core & HTML component (CVE-2026-2771)
- firefox: Integer overflow in the Audio/Video component (CVE-2026-2774)
- firefox: Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software (CVE-2026-2776)
- firefox: Integer overflow in the Libraries component in NSS (CVE-2026-2781)
- firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-2766)
- firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-2769)
- firefox: Use-after-free in the DOM: Window and Location component (CVE-2026-2787)
- firefox: Sandbox escape in the Storage: IndexedDB component (CVE-2026-2768)
- firefox: Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-2783)
- firefox: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-2788)
- firefox: Mitigation bypass in the DOM: Security component (CVE-2026-2784)
- firefox: Incorrect boundary conditions in the Graphics: ImageLib component (CVE-2026-2759)
- firefox: Integer overflow in the JavaScript: Standard Library component (CVE-2026-2762)
- firefox: Sandbox escape in the Graphics: WebRender component (CVE-2026-2761)
- firefox: Privilege escalation in the Messaging System component (CVE-2026-2777)
- firefox: Same-origin policy bypass in the Networking: JAR component (CVE-2026-2790)
- firefox: Mitigation bypass in the DOM: HTML Parser component (CVE-2026-2775)
- firefox: Use-after-free in the JavaScript Engine component...