CVE Database
Search and filter vulnerabilities by ID, vendor, product, severity, or description.
Search and filter vulnerabilities by ID, vendor, product, severity, or description.
| CVE ID | Severity | Score | Description | Published | |
|---|---|---|---|---|---|
| CVE-2026-100824 | HIGH | 8.8 | Privilege escalation in the Places component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100823 | MEDIUM | 5.4 | Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100822 | MEDIUM | 5.4 | Spoofing issue in the Networking: HTTP component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100821 | UNKNOWN | — | Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100820 | HIGH | 8.8 | Privilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100819 | CRITICAL | 9.6 | Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100818 | CRITICAL | 9.6 | Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100817 | UNKNOWN | — | Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100816 | HIGH | 8.1 | Site isolation issue in the DOM: Networking component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100815 | HIGH | 8.8 | Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100814 | HIGH | 8.8 | Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100813 | HIGH | 8.8 | Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100812 | MEDIUM | 6.5 | Denial-of-service in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100811 | CRITICAL | 9.6 | Sandbox escape due to use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100810 | CRITICAL | 9.8 | Other issue in the DevTools component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100809 | HIGH | 8.1 | Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100808 | HIGH | 8.8 | Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100807 | HIGH | 8.8 | Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100806 | MEDIUM | 4.3 | Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100805 | HIGH | 7.5 | Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100804 | CRITICAL | 9.6 | Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100803 | HIGH | 8.1 | Same-origin policy bypass in the WebExtensions component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100802 | MEDIUM | 4.3 | Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. | Sep 29, 2026 | |
| CVE-2026-100801 | HIGH | 8.8 | Privilege escalation in the DLL Services component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17. | Sep 29, 2026 | |
| CVE-2026-100800 | CRITICAL | 9.6 | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157. | Sep 29, 2026 |