Vulnerabilidades
Resumen — últimos 7 días
Vulnerabilidades nuevas2680▼ 660 respecto a la semana anterior
Críticas / altas1277▼ 279 respecto a la semana anterior
Nueva explotación activa (KEV)3▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)228▼ 274 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 | Media (6.3) | 0.35% | — | Mozilla Thunderbird | 15/4/2025 | 17/6/2026 | By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability could allow attackers to disclose sensitive information from the victim's system. This… | |
| Modificada | Alta (8.1) | 0.47% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 30/9/2026 | Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 137 and Thunderbird 137. | |
| Modificada | Alta (7.7) | 0.17% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 30/9/2026 | After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |
| Modificada | Alta (7.4) | 0.39% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 30/9/2026 | Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |
| Modificada | Media (6.5) | 0.30% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 30/9/2026 | An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |
| Modificada | Alta (8.1) | 0.50% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 5/10/2026 | Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 137, Firefox ESR… | |
| Modificada | Alta (7.3) | 0.35% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 5/10/2026 | A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |
| Modificada | Media (6.5) | 0.87% | — | Mozilla FirefoxMozilla Thunderbird | 1/4/2025 | 5/10/2026 | JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |
| Modificada | Alta (7) | 0.36% | — | Mozilla Thunderbird | 10/3/2025 | 17/6/2026 | Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8. | |
| Modificada | Media (5.3) | 0.16% | — | Mozilla Thunderbird | 10/3/2025 | 17/6/2026 | When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8. | |
| Modificada | Alta (8.2) | 0.43% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 17/6/2026 | Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 136 and Thunderbird 136. | |
| Modificada | Crítica (9.8) | 0.48% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136. | |
| Modificada | Media (6.5) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 136, Firefox ESR… | |
| Modificada | Alta (7.5) | 0.56% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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… | |
| Modificada | Alta (7.3) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something… | |
| Modificada | Media (4.3) | 0.34% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Modificada | Media (6.5) | 0.45% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Modificada | Alta (7.6) | 0.32% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Modificada | Alta (8.1) | 0.42% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Modificada | Alta (7.5) | 0.54% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Modificada | Alta (8.8) | 0.40% | — | Mozilla FirefoxMozilla Thunderbird | 4/3/2025 | 5/10/2026 | On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8. | |
| Aplazada | Alta (7.1) | 0.15% | — | Thunderbax WP Admin Custom PageAI | 7/2/2025 | 17/6/2026 | Cross-Site Request Forgery (CSRF) vulnerability in thunderbax WP Admin Custom Page wp-admin-custom-page allows Stored XSS.This issue affects WP Admin Custom Page: from n/a through <= 1.5.0. | |
| Modificada | Media (5.4) | 1.4% | 💥 PoC | Mozilla Thunderbird | 4/2/2025 | 17/6/2026 | The Thunderbird Address Book URI fields contained unsanitized links. This could be used by an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book, clicking on the link… | |
| Modificada | Media (6.5) | 0.29% | — | Mozilla Thunderbird | 4/2/2025 | 17/6/2026 | Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135. | |
| Modificada | Crítica (9.8) | 0.54% | — | Mozilla FirefoxMozilla Thunderbird | 4/2/2025 | 5/10/2026 | Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 135 and Thunderbird 135. |