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MEDIUM 5.4 CVE-2026-2804 Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. Firefox 148.0+ Fix from $1,6002026-02-24 CRITICAL 9.8 CVE-2026-2786 Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 1… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2787 Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunder… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2788 Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, … Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2789 Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 1… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2790 Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thun… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2791 Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbir… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2792 Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2793 Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showe… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 HIGH 7.5 CVE-2026-2794 Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148. Firefox 148.0+ Fix from $1,9502026-02-24 CRITICAL 10.0 CVE-2026-2776 Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Fir… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 10.0 CVE-2026-2778 Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.3… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2777 Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbi… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2779 Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and … Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2780 Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 14… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2781 Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2782 Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 14… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2784 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 14… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2785 Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird … Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 HIGH 7.5 CVE-2026-2783 Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 14… Firefox 140.8.0 / 148.0+ Fix from $1,9502026-02-24 CRITICAL 10.0 CVE-2026-2768 Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird … Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2767 Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunder… Firefox 140.8.0 / 148.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2770 Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbi… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2771 Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2772 Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbir… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2773 Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunder… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2774 Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, a… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 CRITICAL 9.8 CVE-2026-2775 Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird … Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24 HIGH 8.8 CVE-2026-2769 Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 1… Firefox 115.33.0 / 140.8.0+ Fix from $1,9502026-02-24 CRITICAL 10.0 CVE-2026-2760 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 11… Firefox 115.33.0 / 140.8.0+ Fix from $2,3002026-02-24