Vulnerability index

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Firefox MEDIUM 5.4
CVE-2026-2804

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Fix: 148.0+
Fix from $1,600 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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, …

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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.

Fix: 148.0+
Fix from $1,950 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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 …

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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.…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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 …

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $1,950 2026-02-24
Firefox 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 …

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 140.8.0 / 148.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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 …

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $1,950 2026-02-24
Firefox 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…

Fix: 115.33.0 / 140.8.0+
Fix from $2,300 2026-02-24