Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2741▼ 480 respecto a la semana anterior
Críticas / altas1308▼ 182 respecto a la semana anterior
Nueva explotación activa (KEV)3▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)226▼ 276 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 | Crítica (9.8) | 0.28% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Modificada | Crítica (9.1) | 0.25% | — | Mozilla Firefox | 21/7/2026 | 22/7/2026 | Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Modificada | Alta (7.5) | 0.26% | — | Mozilla Firefox | 21/7/2026 | 22/7/2026 | Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Alta (7.4) | 0.16% | — | Mozilla Firefox Mobile | 21/7/2026 | 24/7/2026 | Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153. | |
| Analizada | Media (6.5) | 0.20% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.8) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Modificada | Alta (8.8) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.25% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.15% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.15% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Media (6.5) | 0.17% | — | Mozilla Firefox | 21/7/2026 | 22/7/2026 | Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153. | |
| Modificada | Alta (8.8) | 0.24% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Modificada | Crítica (9.8) | 0.34% | — | Mozilla Firefox | 21/7/2026 | 22/7/2026 | Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Modificada | Crítica (9.1) | 0.25% | — | Mozilla Firefox | 21/7/2026 | 22/7/2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.1) | 0.30% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.1) | 0.36% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 6/8/2026 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.32% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.1) | 0.32% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Modificada | Crítica (9.8) | 0.56% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 10/8/2026 | Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.8) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.8) | 0.20% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Alta (7.5) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 27/7/2026 | Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 27/7/2026 | Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Alta (7.5) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 27/7/2026 | Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. | |
| Analizada | Crítica (9.8) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. |