CVE Intelligence

Mozilla vulnerabilities

🔔 Create alert RSS

Published CVEs affecting Mozilla products: 642 record(s), with severity, exploitation and fixes.

Firefox 606Thunderbird 523Firefox Mobile 17Firefox ESR 11Firefox Focus 4Focus 3Thunderbird Esr 2Firefox for Android 2Firefox Os 1Seamonkey 1Thin-vec 10din Scanner 1Rhino 1Klar 1Node-convict 1Network Security Services 1

Exploited only (KEV) →

CVE-2026-92042 High · 7.5 CWE-362 Sep 15, 2026
Race condition in the DOM: Content Processes component
Race condition in the DOM: Content Processes component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92041 Critical · 9.1 CWE-693 Sep 15, 2026
Mitigation bypass in the DOM: Networking component
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92040 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92039 Medium · 6.3 CWE-693 Sep 15, 2026
Mitigation bypass in the DOM: Notifications component
Mitigation bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92038 Critical · 9.1 CWE-693 Sep 15, 2026
Mitigation bypass in the Remote Settings Client component
Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVE-2026-92037 Critical · 9.8 CWE-119 Sep 15, 2026
Incorrect boundary conditions in the DOM: Animation component
Incorrect boundary conditions in the DOM: Animation component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92036 Critical · 9.8 CWE-119 Sep 15, 2026
Incorrect boundary conditions in the Networking: HTTP component
Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92035 Critical · 9.6 CWE-119 Sep 15, 2026
Sandbox escape due to incorrect boundary conditions in the Graphics component
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.
CVE-2026-92034 Critical · 9.1 CWE-346 Sep 15, 2026
Site isolation issue in the Graphics component
Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
CVE-2026-92033 High · 8.8 CWE-269 Sep 15, 2026
Privilege escalation in Firefox for Android
Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156.
CVE-2026-92032 Critical · 9.6 CWE-119 Sep 15, 2026
Sandbox escape due to invalid pointer in the Graphics component
Sandbox escape due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92031 Medium · 6.5 CWE-200 Sep 15, 2026
Information disclosure in the Graphics: ImageLib component
Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92030 Medium · 5.4 CWE-693 Sep 15, 2026
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92029 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the SVG component
Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92028 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the DOM: Core & HTML component
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92027 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the DOM: Streams component
Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92026 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the Networking component
Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92025 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the DOM: Navigation component
Use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92024 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the SVG component
Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92023 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the XML component
Use-after-free in the XML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92022 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the DOM: HTML Parser component
Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92021 High · 8.8 CWE-416 Sep 15, 2026
Use-after-free in the JavaScript Engine: JIT component
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 140.16 and Thunderbird 140.16.
CVE-2026-92020 High · 8.8 CWE-120 Sep 15, 2026
Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component
Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92019 High · 8.1 CWE-693 Sep 15, 2026
Mitigation bypass in the Remote Settings Client component
Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
CVE-2026-92018 Critical · 9.6 CWE-693 Sep 15, 2026
Sandbox escape in the DOM: Core & HTML component
Sandbox escape in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.