Vulnerabilidades
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2030 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Modificada | Crítica (9.8) | 0.57% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (10) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.57% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.69% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Alta (8.8) | 0.59% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (10) | 0.57% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | 💥 PoC | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | 💥 PoC | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.60% | 💥 PoC | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.69% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (10) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (10) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | 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. | |
| Modificada | Crítica (9.8) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | |
| Modificada | Crítica (9.8) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | |
| Modificada | Crítica (9.8) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 21/9/2026 | 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. | |
| Modificada | Alta (8.8) | 0.64% | — | Mozilla FirefoxMozilla Thunderbird | 16/2/2026 | 15/7/2026 | Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2. | |
| Modificada | Media (4.3) | 0.18% | — | Mozilla Thunderbird | 28/1/2026 | 17/6/2026 | When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If the user had… | |
| Modificada | Crítica (9.8) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 13/1/2026 | 17/6/2026 | Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147 and Thunderbird 147. | |
| Modificada | Alta (8.1) | 0.48% | — | Mozilla FirefoxMozilla Thunderbird | 13/1/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147, Firefox ESR… |