Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2736▼ 485 respecto a la semana anterior
Críticas / altas1304▼ 186 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
3953 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Modificada | Media (6.5) | 0.24% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Media (5.3) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Media (5.3) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Media (5.3) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Alta (7.5) | 0.37% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Analizada | Crítica (9.1) | 0.19% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Analizada | Media (4.3) | 0.22% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | |
| Analizada | Media (6.5) | 0.25% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Media (5.3) | 0.25% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | |
| Modificada | Media (5.3) | 0.25% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 18/6/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | |
| Modificada | Media (5.4) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Media (5.4) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Crítica (9.6) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Crítica (9.6) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Crítica (9.6) | 0.39% | 💥 PoC | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Crítica (9.6) | 0.36% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Crítica (9.8) | 0.30% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | |
| Modificada | Alta (8.1) | 0.49% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Incorrect boundary conditions in the Web Audio component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Alta (8.8) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Alta (8.1) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Modificada | Alta (8.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Aplazada | Alta (8.1) | 0.35% | — | Mozilla BonsaiAI | 15/6/2026 | 17/6/2026 | Incorrect access control in the impworks Bonsai v6.0 allows authenticated attackers with Editor privileges to escalate privileges to Administrator and execute unauthorized account, password, and configuration changes. | |
| Aplazada | Alta (7.4) | 0.26% | — | Avira Password ManagerAIMozilla FirefoxAI | 12/6/2026 | 23/7/2026 | Information disclosure vulnerability in Avira Password Manager when used with Mozilla Firefox may allow a remote attacker operating a cross-origin iframe to obtain credentials autofilled for the parent web page via incorrect autofill field selection. This issue affects Avira Password Manager when used with Mozilla… | |
| Analizada | Alta (7.5) | 0.22% | — | Mozilla FocusMozilla Klar | 9/6/2026 | 23/7/2026 | UXSS in Focus for iOS / Klar Webkit navigation. This vulnerability was fixed in Focus for iOS 151.3.1 and Klar for iOS 151.3.1. | |
| Aplazada | Media (6.2) | 0.12% | — | MalwarebytesAIMalwarebytes NebulaAIMozilla FirefoxAI | 9/6/2026 | 23/7/2026 | An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service. |