Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2677▼ 656 respecto a la semana anterior
Críticas / altas1264▼ 294 respecto a la semana anterior
Nueva explotación activa (KEV)3▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)244▼ 258 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 (8.1) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 19/8/2025 | 5/10/2026 | Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 142, Firefox ESR… | |
| Modificada | Alta (7.5) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 19/8/2025 | 30/9/2026 | Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2. | |
| Modificada | Media (6.5) | 0.37% | — | Mozilla FirefoxMozilla Thunderbird | 19/8/2025 | 5/10/2026 | Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2. | |
| Modificada | Alta (8.1) | 0.26% | — | Mozilla FirefoxMozilla Thunderbird | 19/8/2025 | 5/10/2026 | Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2. | |
| Modificada | Crítica (9.8) | 0.59% | — | Mozilla FirefoxMozilla Thunderbird | 19/8/2025 | 5/10/2026 | An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2,… | |
| Modificada | Crítica (9.8) | 0.44% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 30/9/2026 | Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 141 and Thunderbird 141. | |
| Modificada | Crítica (9.8) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 30/9/2026 | Focus incorrectly truncated URLs towards the beginning instead of around the origin. This vulnerability was fixed in Firefox 141. | |
| Modificada | Alta (8.8) | 0.32% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Memory safety bugs present in Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 141, Firefox ESR… | |
| Modificada | Alta (8.1) | 0.30% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | In some cases search terms persisted in the URL bar even after navigating away from the search page. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |
| Modificada | Crítica (9.8) | 0.24% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |
| Modificada | Crítica (9.1) | 0.23% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |
| Modificada | Alta (8.1) | 0.42% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1. | |
| Modificada | Alta (8.8) | 0.35% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Memory safety bugs present in Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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… | |
| Modificada | Alta (8.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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… | |
| Modificada | Media (6.5) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Alta (8.1) | 0.33% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Crítica (9.8) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | The `username:password` part was not correctly stripped from URLs in CSP reports potentially leaking HTTP Basic Authentication credentials. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Alta (8.1) | 0.33% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Alta (8.1) | 0.33% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 30/9/2026 | Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Crítica (9.8) | 0.51% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141,… | |
| Modificada | Media (6.5) | 0.38% | — | Mozilla FirefoxMozilla Thunderbird | 22/7/2025 | 5/10/2026 | On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1. | |
| Modificada | Alta (8.1) | 4.3% | — | Mozilla FirefoxMozilla Thunderbird | 24/6/2025 | 30/9/2026 | Memory safety bugs present in Firefox 139 and Thunderbird 139. 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 140 and Thunderbird 140. | |
| Modificada | Alta (8.1) | 0.46% | — | Mozilla FirefoxMozilla Thunderbird | 24/6/2025 | 30/9/2026 | If a user saved a response from the Network tab in Devtools using the Save As context menu option, that file may not have been saved with the `.download` file extension. This could have led to the user inadvertently running a malicious executable. This vulnerability was fixed in Firefox 140 and Thunderbird 140. | |
| Aplazada | Media (4.3) | 0.15% | — | Marcusjansen Live-sports-streamthunderAI | 20/6/2025 | 17/6/2026 | Cross-Site Request Forgery (CSRF) vulnerability in marcusjansen Live Sports Streamthunder live-sports-streamthunder allows Cross Site Request Forgery.This issue affects Live Sports Streamthunder: from n/a through <= 2.1. | |
| Analizada | Media (5.5) | 0.14% | — | Dell PRO Smart Dock Sd25 FirmwareDell PRO Thunderbolt 4 Smart Dock Sd25tb4 Firmware | 12/6/2025 | 17/6/2026 | Dell Smart Dock Firmware, versions prior to 01.00.08.01, contain an Insertion of Sensitive Information into Log File vulnerability. A user with local access could potentially exploit this vulnerability, leading to Information disclosure. |