Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2743▼ 518 respecto a la semana anterior
Críticas / altas1293▼ 226 respecto a la semana anterior
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Sin puntuar (sin CVSS)244▼ 258 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 |
|---|---|---|---|---|---|---|---|---|
| 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 (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… | |
| 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. | |
| Modificada | Media (4.3) | 0.86% | 💥 PoC | Mozilla Firefox | 2/6/2026 | 22/7/2026 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3. | |
| Modificada | Alta (7.5) | 0.30% | — | Mozilla Firefox | 2/6/2026 | 22/7/2026 | Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 151.0.3. | |
| Analizada | Media (5.4) | 0.26% | — | Mozilla Firefox | 1/6/2026 | 22/7/2026 | Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScript execution in an… | |
| Analizada | Media (5.4) | 0.26% | — | Mozilla Firefox | 1/6/2026 | 22/7/2026 | Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, potentially resulting in arbitrary JavaScript execution. This vulnerability was fixed in Firefox for iOS… | |
| En análisis | Media (5.4) | 0.26% | — | Mozilla Firefox | 25/5/2026 | 23/7/2026 | Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed… | |
| En análisis | Media (6.5) | 0.23% | — | Mozilla Firefox | 19/5/2026 | 23/7/2026 | Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability was fixed in Firefox for iOS 151.0. | |
| Modificada | Alta (8.8) | 0.59% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 115.36, Firefox… | |
| Modificada | Alta (8.8) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. 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 151, Firefox ESR 140.11, Thunderbird 151, and… | |
| Modificada | Alta (8.8) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Memory safety bugs present in Firefox 150. 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 151 and Thunderbird 151. | |
| Modificada | Alta (8.8) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Privilege escalation in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Media (6.5) | 0.17% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (8.8) | 0.41% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Alta (8.1) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (7.5) | 0.53% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs 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 | 23/7/2026 | Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. |