| CVE-2026-92077 | Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92076 | Incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92075 | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92074 | Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92073 | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92072 | Incorrect boundary conditions in the Safe Browsing component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92071 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92070 | Information disclosure in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92069 | Spoofing issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92068 | Site isolation issue in the Reader Mode component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92067 | Use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92066 | Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92065 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92064 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92063 | Denial-of-service in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | high | 2026-09-16 |
| CVE-2026-92062 | Privilege escalation in the Session Restore component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92061 | Incorrect boundary conditions in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92060 | Use-after-free in the Internationalization component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92059 | Incorrect boundary conditions in the DOM: Editor component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92058 | Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92057 | Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92056 | Use-after-free in the Graphics: Text component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92055 | Privilege escalation in the DevTools component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92054 | Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92053 | Privilege escalation in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92052 | Privilege escalation due to uninitialized memory in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92051 | Spoofing issue due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | high | 2026-09-16 |
| CVE-2026-92050 | Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92049 | Use-after-free in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92048 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92047 | Privilege escalation in the Crash Reporting component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92046 | Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92045 | Sandbox escape due to incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92044 | Information disclosure in the Networking: HTTP component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92043 | Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | high | 2026-09-16 |
| CVE-2026-92042 | 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. | high | 2026-09-16 |
| CVE-2026-92041 | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92040 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92039 | Mitigation bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92038 | 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. | critical | 2026-09-16 |
| CVE-2026-92037 | Incorrect boundary conditions in the DOM: Animation component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92036 | Incorrect boundary conditions in the Networking: HTTP component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92035 | Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. | critical | 2026-09-16 |
| CVE-2026-92034 | Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. | critical | 2026-09-16 |
| CVE-2026-92033 | Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156. | high | 2026-09-16 |
| CVE-2026-92032 | 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. | critical | 2026-09-16 |
| CVE-2026-92031 | 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. | medium | 2026-09-16 |
| CVE-2026-92030 | 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. | high | 2026-09-16 |
| CVE-2026-92029 | 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. | high | 2026-09-16 |
| CVE-2026-92028 | 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. | high | 2026-09-16 |
