Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2722▼ 518 respecto a la semana anterior
Críticas / altas1296▼ 206 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
2087 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Modificada | Alta (7.5) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 21/4/2026 | 15/7/2026 | Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | |
| Modificada | Crítica (9.8) | 0.60% | — | Mozilla FirefoxMozilla Thunderbird | 21/4/2026 | 15/7/2026 | Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | |
| Modificada | Alta (7.5) | 0.58% | — | Mozilla FirefoxMozilla Thunderbird | 21/4/2026 | 15/7/2026 | Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | |
| Modificada | Alta (7.5) | 0.58% | — | Mozilla FirefoxMozilla Thunderbird | 21/4/2026 | 15/7/2026 | Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. | |
| Modificada | Crítica (9.8) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 7/4/2026 | 15/7/2026 | Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2 and Thunderbird 149.0.2. | |
| Modificada | Crítica (9.8) | 0.59% | — | Mozilla FirefoxMozilla Thunderbird | 7/4/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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… | |
| Modificada | Crítica (9.8) | 0.61% | — | Mozilla FirefoxMozilla Thunderbird | 7/4/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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… | |
| Modificada | Alta (7.4) | 0.64% | — | Mozilla Thunderbird | 24/3/2026 | 15/7/2026 | A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This… | |
| Modificada | Media (6.5) | 0.35% | — | Mozilla Thunderbird | 24/3/2026 | 17/6/2026 | Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9. | |
| Modificada | Crítica (9.8) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Memory safety bugs present in Firefox 148 and Thunderbird 148. 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 149 and Thunderbird 149. | |
| Modificada | Media (6.5) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | |
| Modificada | Alta (7.5) | 0.52% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | |
| Modificada | Alta (7.5) | 0.52% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | |
| Modificada | Crítica (9.1) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149. | |
| Modificada | Crítica (9.8) | 0.42% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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… | |
| Modificada | Crítica (9.8) | 0.42% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR… | |
| Modificada | Alta (8.1) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | |
| Modificada | Crítica (9.8) | 0.41% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 17/6/2026 | Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | |
| Modificada | Alta (7.5) | 0.77% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | |
| Modificada | Crítica (10) | 0.49% | 💥 PoC | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | |
| Modificada | Crítica (10) | 0.66% | — | Mozilla FirefoxMozilla Thunderbird | 24/3/2026 | 15/7/2026 | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. | |
| Modificada | Crítica (9.8) | 0.48% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 15/7/2026 | Memory safety bugs present in Firefox 147 and Thunderbird 147. 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 148 and Thunderbird 148. | |
| Modificada | Crítica (9.1) | 0.56% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 17/6/2026 | Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | |
| Modificada | Crítica (9.8) | 0.57% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 17/6/2026 | Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | |
| Modificada | Media (5.4) | 0.29% | — | Mozilla FirefoxMozilla Thunderbird | 24/2/2026 | 17/6/2026 | Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. |