Vulnerabilidades
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Vulnerabilidades nuevas2729▼ 513 respecto a la semana anterior
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2030 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| 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. | |
| Analizada | Alta (7.5) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (7.5) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (7.5) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (7.5) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| Analizada | Alta (8.1) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Media (6.5) | 0.35% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 23/7/2026 | Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11. | |
| Analizada | Alta (7.5) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 19/5/2026 | 17/6/2026 | Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151 and Thunderbird 151. | |
| 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. |