Vulnerabilidades

Resumen — últimos 7 días

Vulnerabilidades nuevas2740▼ 483 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
CVE-2026-74977	Analizada	Alta (7.5)	0.60%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	25/8/2026	Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74976	Analizada	Media (6.5)	0.42%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74975	Analizada	Media (5.4)	0.25%	—	Mozilla Firefox Mobile	18/8/2026	25/8/2026	Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.
CVE-2026-74974	Analizada	Media (5.4)	0.17%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Same-origin policy bypass in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74973	Analizada	Media (4.2)	0.21%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74972	Analizada	Media (4.3)	0.35%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Information disclosure in the DOM: Push Subscriptions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74971	Analizada	Media (4.3)	0.35%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Information disclosure in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74970	Analizada	Media (5.4)	0.16%	💥 PoC	Mozilla Firefox Mozilla Thunderbird	18/8/2026	25/8/2026	Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74969	Modificada	Alta (8.8)	0.48%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74968	Analizada	Media (5.4)	0.16%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	20/8/2026	Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74967	Analizada	Media (5.4)	0.17%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Same-origin policy bypass in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74966	Analizada	Alta (7.5)	0.44%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	25/8/2026	Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74965	Analizada	Alta (8.8)	0.44%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	21/8/2026	Privilege escalation in the Shell Integration component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74964	Analizada	Crítica (9.8)	0.68%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74963	Analizada	Media (5.4)	0.17%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74962	Analizada	Alta (8.1)	0.22%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74961	En análisis	Crítica (9.1)	0.44%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	20/8/2026	Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74960	Analizada	Alta (8.1)	0.22%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	24/8/2026	Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74959	Analizada	Crítica (9.1)	0.48%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	24/8/2026	Mitigation bypass in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74958	Analizada	Alta (7.5)	0.45%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74957	Analizada	Alta (8.1)	0.43%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	24/8/2026	Mitigation bypass in the Safe Browsing component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
CVE-2026-74956	Analizada	Crítica (9.1)	0.50%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74955	Analizada	Alta (8.8)	0.41%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	21/8/2026	Privilege escalation in the Request Handling component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74954	Analizada	Alta (7.5)	0.44%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	19/8/2026	Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
CVE-2026-74953	Analizada	Alta (8.8)	0.44%	—	Mozilla Firefox Mozilla Thunderbird	18/8/2026	21/8/2026	Privilege escalation in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.