Mozilla
Mozilla Firefox ESR: vulnerabilidades y CVE
Mozilla Firefox ESR tiene 577 vulnerabilidades publicadas, 89 de ellas en los últimos 12 meses. 63 son críticas y 0 figuran en el catálogo de explotación activa de CISA.
CVE577
Últimos 12 meses89
Críticas63
Explotadas activamente0
Todas las vulnerabilidades en el catálogo →⭐ Seguir esta tecnología
Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-96869 | Media (4.3) | 0.21% | — | 29 sept 2026 | Information disclosure in the Networking 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. |
| CVE-2026-100820 | Alta (8.8) | 0.25% | — | 29 sept 2026 | 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. |
| CVE-2026-100819 | Crítica (9.6) | 0.28% | — | 29 sept 2026 | 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… |
| CVE-2026-100818 | Crítica (9.6) | 0.28% | — | 29 sept 2026 | 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. |
| CVE-2026-100801 | Alta (8.8) | 0.25% | — | 29 sept 2026 | 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. |
| CVE-2026-100790 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the XSLT 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. |
| CVE-2026-100789 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the Graphics: Canvas2D 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. |
| CVE-2026-100786 | Crítica (9.6) | 0.34% | — | 29 sept 2026 | Sandbox escape due to use-after-free in the Graphics 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… |
| CVE-2026-100784 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the Layout: Text and Fonts 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. |
| CVE-2026-100783 | Media (4.3) | 0.30% | — | 29 sept 2026 | Uninitialized memory in the Audio/Video 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. |
| CVE-2026-100782 | Alta (8.8) | 0.28% | — | 29 sept 2026 | Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR… |
| CVE-2026-100780 | Alta (8.8) | 0.34% | — | 29 sept 2026 | 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, Firefox ESR 115.42, and Firefox ESR 140.17. |
| CVE-2026-100779 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the XSLT 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. |
| CVE-2026-100776 | Alta (8.8) | 0.33% | — | 29 sept 2026 | Use-after-free in the JavaScript: WebAssembly 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. |
| CVE-2026-100770 | Crítica (9.6) | 0.34% | — | 29 sept 2026 | Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42,… |
| CVE-2026-100767 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the Networking: Cache 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. |
| CVE-2026-100762 | Crítica (9.6) | 0.34% | — | 29 sept 2026 | Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42,… |
| CVE-2026-100757 | Alta (8.8) | 0.34% | — | 29 sept 2026 | Use-after-free in the Widget 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. |
| CVE-2026-100756 | Alta (8.1) | 0.33% | — | 29 sept 2026 | Incorrect boundary conditions in the Audio/Video: Playback 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… |
| CVE-2026-100821 | Media (4.7) | 0.16% | — | 29 sept 2026 | Site isolation issue in the Panning and Zooming 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… |
| CVE-2026-100803 | Alta (8.1) | 0.17% | — | 29 sept 2026 | 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… |
| CVE-2026-100794 | Crítica (9.6) | 0.16% | — | 29 sept 2026 | Sandbox escape due to incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and… |
| CVE-2026-100771 | Alta (8.1) | 0.16% | — | 29 sept 2026 | Undefined behavior in the DOM: Streams 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. |
| CVE-2026-100759 | Alta (8.1) | 0.16% | — | 29 sept 2026 | Uninitialized memory in the Storage: Quota Manager 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… |
| CVE-2026-92079 | Crítica (9.1) | 0.28% | — | 15 sept 2026 | Mitigation bypass in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
| CVE-2026-92078 | Media (6.5) | 0.23% | — | 15 sept 2026 | Denial-of-service in the Security component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
| CVE-2026-92077 | Media (6.5) | 0.29% | — | 15 sept 2026 | Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
| CVE-2026-92076 | Alta (8.8) | 0.12% | — | 15 sept 2026 | Incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
| CVE-2026-92075 | Crítica (9.1) | 0.35% | — | 15 sept 2026 | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
| CVE-2026-92074 | Alta (8.8) | 0.12% | — | 15 sept 2026 | Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3. |
🎯 Cómo se explota (técnicas ATT&CK)
Número de CVE de esta tecnología asignadas a cada técnica de explotación o de impacto principal.