Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2726▼ 504 respecto a la semana anterior
Críticas / altas1294▼ 196 respecto a la semana anterior
Nueva explotación activa (KEV)4▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)229▼ 273 respecto a la semana anterior
3565 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Analizada | Alta (8.8) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 15/9/2026 | 6/10/2026 | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL 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. | |
| Analizada | Alta (8.8) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 15/9/2026 | 6/10/2026 | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL 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. | |
| Analizada | Alta (8.8) | 0.33% | — | Mozilla FirefoxMozilla Thunderbird | 15/9/2026 | 6/10/2026 | Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL 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. | |
| Analizada | Media (5.3) | 0.36% | — | Mozilla FirefoxMozilla Thunderbird | 15/9/2026 | 6/10/2026 | Use-after-free in the Audio/Video: Web Codecs 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. | |
| Aplazada | Alta (7.1) | 0.19% | — | Webassembly WabtAIRlboxAIWasmbind Wasm BoxcAIMozilla FirefoxAI | 12/9/2026 | 22/9/2026 | wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc() in wasm_rt_allocate_funcref_table() (wasm2c/wasm-rt-impl-tableops.inc). When the funcref table allocation fails,… | |
| Analizada | Media (4.3) | 0.28% | — | Mozilla Firefox Mobile | 8/9/2026 | 5/10/2026 | A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1. | |
| Analizada | Alta (7.5) | 0.37% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155,… | |
| Analizada | Alta (7.5) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2,… | |
| Modificada | Crítica (9.8) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155,… | |
| Modificada | Crítica (9.8) | 0.56% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155 and Thunderbird 155. | |
| Modificada | Crítica (9.8) | 0.63% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Modificada | Crítica (9.8) | 0.29% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Modificada | Media (6.1) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Modificada | Media (6.5) | 0.37% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155. | |
| Modificada | Media (4.3) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Modificada | Media (6.1) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Modificada | Crítica (9.8) | 0.45% | — | Mozilla Firefox Mobile | 1/9/2026 | 3/9/2026 | Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155. | |
| Analizada | Crítica (9.8) | 0.57% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Other issue in the Profile Backup component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Analizada | Crítica (9.8) | 0.29% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Site isolation issue in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Analizada | Alta (7.5) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Information disclosure in the Networking: HTTP component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Analizada | Alta (8.8) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2. | |
| Analizada | Alta (7.5) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Analizada | Crítica (9.8) | 0.29% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2. | |
| Analizada | Alta (8.8) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 1/9/2026 | 3/9/2026 | Privilege escalation in the WebDriver BiDi component. This vulnerability was fixed in Firefox 155 and Thunderbird 155. | |
| Analizada | Media (4.3) | 0.26% | — | Mozilla Firefox Mobile | 1/9/2026 | 3/9/2026 | Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155. |