Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2987▼ 96 respecto a la semana anterior
Críticas / altas1458▲ 101 respecto a la semana anterior
Nueva explotación activa (KEV)4▼ 5 respecto a la semana anterior
Sin puntuar (sin CVSS)350▼ 160 respecto a la semana anterior
–

3953 resultados, ordenados por fecha de publicación (más recientes primero)

CVEEstadoSeveridadEPSS Explotación activaTecnologías afectadasPublicada ▼Modificada Descripción
En análisisCrítica (9.6)0.32%—Mozilla FirefoxAI29/9/20261/10/2026
Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
En análisisAlta (8.1)0.33%—Mozilla FirefoxAIMozilla Firefox ESRAI29/9/20261/10/2026
Uninitialized memory in the Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
En análisisCrítica (9.6)0.32%—Mozilla FirefoxAI29/9/202630/9/2026
Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
En análisisAlta (8.8)0.34%—Mozilla FirefoxAIMozilla Firefox ESRAI29/9/202630/9/2026
Use-after-free in the Widget component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
AnalizadaAlta (8.1)0.33%—Mozilla FirefoxMozilla Thunderbird29/9/20266/10/2026
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
AnalizadaCrítica (9.1)0.63%—Mozilla Thunderbird15/9/202624/9/2026
A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
AnalizadaAlta (8.1)0.41%—Mozilla Thunderbird15/9/202624/9/2026
A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
AnalizadaCrítica (9.8)0.54%—Mozilla Thunderbird15/9/202624/9/2026
A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
AnalizadaCrítica (9.1)0.25%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Mitigation bypass in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (6.5)0.22%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Denial-of-service in the Security component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (6.5)0.27%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Denial-of-service in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8.8)0.11%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaCrítica (9.1)0.32%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8.8)0.11%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8.8)0.22%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8)0.22%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Incorrect boundary conditions in the Safe Browsing component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaCrítica (9.6)0.24%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (4.3)0.18%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (5.4)0.18%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Spoofing issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (5.4)0.10%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Site isolation issue in the Reader Mode component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8.8)0.23%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaCrítica (9.8)0.55%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.
AnalizadaAlta (8.8)0.10%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaAlta (8.8)0.10%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
AnalizadaMedia (6.5)0.38%—Mozilla FirefoxMozilla Thunderbird15/9/20265/10/2026
Denial-of-service in the Audio/Video component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.