Vulnerabilidades
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Vulnerabilidades nuevas2729▼ 513 respecto a la semana anterior
Críticas / altas1298▼ 212 respecto a la semana anterior
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3565 resultados, ordenados por fecha de publicación (más recientes primero)
| CVE | Estado | Severidad | EPSS | Explotación activa | Tecnologías afectadas | Publicada ▼ | Modificada | Descripción |
|---|---|---|---|---|---|---|---|---|
| Analizada | Crítica (9.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Alta (7.5) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.52% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Analizada | Crítica (9.8) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 21/7/2026 | 24/7/2026 | Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13. | |
| Modificada | Media (5.4) | 0.34% | — | Mozilla Firefox | 14/7/2026 | 22/7/2026 | We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13. | |
| Modificada | Media (4.3) | 0.49% | 💥 PoC | Mozilla Firefox | 14/7/2026 | 22/7/2026 | We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13. | |
| Analizada | Media (5.3) | 0.29% | — | Mozilla Firefox Mobile | 13/7/2026 | 14/7/2026 | Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4. | |
| Analizada | Media (6.3) | 0.22% | — | Mozilla Firefox | 7/7/2026 | 8/7/2026 | A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3. | |
| Modificada | Crítica (9.8) | 0.43% | — | Mozilla Firefox | 30/6/2026 | 6/7/2026 | Memory safety bugs present in Firefox 152.0.3. 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 152.0.4. | |
| Analizada | Media (4.3) | 0.14% | — | Mozilla Firefox Mobile | 16/6/2026 | 17/6/2026 | Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0. | |
| Analizada | Media (6.5) | 0.14% | — | Mozilla Firefox Mobile | 16/6/2026 | 17/6/2026 | Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0. | |
| Analizada | Media (5.4) | 0.16% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37, and Thunderbird 140.12. | |
| Modificada | Media (5.3) | 0.31% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12. | |
| Modificada | Alta (8.1) | 0.48% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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… | |
| Analizada | Alta (8.1) | 0.41% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox… | |
| Modificada | Alta (8.1) | 0.36% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 15/7/2026 | Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 152 and Thunderbird 152. | |
| Analizada | Media (6.5) | 0.23% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12. | |
| Analizada | Alta (7.3) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12. | |
| Analizada | Media (5.4) | 0.17% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. | |
| Analizada | Media (5.4) | 0.21% | — | Mozilla FirefoxMozilla Thunderbird | 16/6/2026 | 17/6/2026 | Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152. |