Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2739▼ 510 respecto a la semana anterior
Críticas / altas1303▼ 212 respecto a la semana anterior
Nueva explotación activa (KEV)3▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)225▼ 276 respecto a la semana anterior
2189 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Analizada | Crítica (9.6) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Alta (8.6) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Alta (8.8) | 0.41% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Crítica (9.8) | 0.64% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Alta (8.8) | 0.41% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Alta (7.5) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Crítica (9.6) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Alta (8.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Crítica (9.3) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Alta (7.5) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Crítica (9.1) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 15/7/2026 | Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Modificada | Alta (7.3) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 15/7/2026 | Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Alta (7.5) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 15/7/2026 | Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Modificada | Crítica (9.8) | 0.63% | — | Mozilla FirefoxMozilla Thunderbird | 7/5/2026 | 28/7/2026 | Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2. | |
| Modificada | Alta (8.1) | 0.42% | — | Mozilla FirefoxMozilla Thunderbird | 7/5/2026 | 15/7/2026 | Memory safety bugs present in Firefox 150.0.1. 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 150.0.2 and Thunderbird 150.0.2. | |
| Modificada | Alta (8.1) | 0.54% | — | Mozilla FirefoxMozilla Thunderbird | 7/5/2026 | 28/7/2026 | Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 150.0.2, Firefox ESR… | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 7/5/2026 | 11/8/2026 | Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2. | |
| Modificada | Alta (7.3) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 7/5/2026 | 28/7/2026 | Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2. | |
| Modificada | Alta (7.3) | 0.36% | — | Mozilla FirefoxMozilla Thunderbird | 28/4/2026 | 15/7/2026 | Memory safety bugs present in Thunderbird 150.0.0. 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 150.0.1 and Thunderbird 150.0.1. | |
| Modificada | Alta (7.3) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 28/4/2026 | 15/7/2026 | Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1,… | |
| Modificada | Alta (7.3) | 0.47% | — | Mozilla FirefoxMozilla Thunderbird | 28/4/2026 | 15/7/2026 | Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1, Firefox… | |
| Analizada | Crítica (9.6) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 28/4/2026 | 17/6/2026 | Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1. | |
| Modificada | Alta (7.5) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 28/4/2026 | 15/7/2026 | Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1. | |
| Modificada | Alta (7.5) | 0.53% | — | Mozilla FirefoxMozilla Thunderbird | 26/4/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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 150, Firefox ESR… | |
| Modificada | Alta (7.5) | 0.53% | — | Mozilla FirefoxMozilla Thunderbird | 26/4/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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… |