Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2739▼ 501 respecto a la semana anterior

Críticas / altas1301▼ 201 respecto a la semana anterior

Nueva explotación activa (KEV)3▼ 5 respecto a la semana anterior

Sin puntuar (sin CVSS)225▼ 277 respecto a la semana anterior

2189 resultados, ordenados por fecha de publicación (más recientes primero)

CVE	Estado	Severidad	EPSS	Explotación activa	Tecnologías afectadas	Publicada ▼	Modificada	Descripción
CVE-2026-12319	Analizada	Media (6.5)	0.21%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12318	Analizada	Alta (7.3)	0.26%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12317	Modificada	Alta (7.5)	0.29%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12316	Analizada	Crítica (9.1)	0.24%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12315	Analizada	Crítica (9.1)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12314	Modificada	Alta (7.5)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12313	Analizada	Media (4.7)	0.18%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12312	Modificada	Alta (7.5)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12311	Analizada	Media (4.7)	0.18%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12310	Modificada	Alta (7.5)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12309	Modificada	Media (6.5)	0.24%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12308	Modificada	Media (5.3)	0.26%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12307	Modificada	Media (5.3)	0.26%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12306	Modificada	Media (5.3)	0.26%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12305	Modificada	Alta (7.5)	0.37%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12304	Analizada	Crítica (9.1)	0.19%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12303	Analizada	Media (4.3)	0.22%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12302	Analizada	Media (6.5)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	17/6/2026	Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12301	Modificada	Media (5.3)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12300	Modificada	Media (5.3)	0.25%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	18/6/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVE-2026-12299	Modificada	Media (5.4)	0.31%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	15/7/2026	JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12298	Modificada	Media (5.4)	0.31%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	15/7/2026	Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12297	Modificada	Crítica (9.6)	0.39%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	15/7/2026	Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12296	Modificada	Crítica (9.6)	0.39%	—	Mozilla Firefox Mozilla Thunderbird	16/6/2026	15/7/2026	Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVE-2026-12295	Modificada	Crítica (9.6)	0.39%	💥 PoC	Mozilla Firefox Mozilla Thunderbird	16/6/2026	15/7/2026	Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.