Firefox

firefox

Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-2779 1Mozilla 2Firefox Thunderbird Jun 17, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Incorrect boundary conditions in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2778 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2777 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2776 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 14...Show more Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.Show less
CVE-2026-2775 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Mitigation bypass in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2774 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2773 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2772 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2771 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2770 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2769 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 8.8 HIGH· v3 N/A· v2 Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2768 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2767 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2766 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2765 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2764 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2763 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2762 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 Integer overflow in the JavaScript: Standard Library component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2761 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVE-2026-2760 1Mozilla 2Firefox Thunderbird Jul 15, 2026 Feb 24, 2026 N/A· v4 10.0 CRITICAL· v3 N/A· v2 Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

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