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Alertas de Seguridad de la Información

Vulnerabilidades explotadas activamente, incidentes y análisis relevantes para México y LATAM. Actualizado automáticamente desde fuentes oficiales.

48 vulnerabilidades en CISA KEV — explotación activa confirmada Ver todas →
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Crítica × mozilla × Limpiar todo ×
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16369] Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 1…
Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16370] Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and …
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
nvdcriticovulnerabilidad CVSS 9.1 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16367] Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability wa…
Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
nvdcriticovulnerabilidad CVSS 10.0 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16368] Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed…
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16355] JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox …
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16356] Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was…
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16357] Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153…
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD

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M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16358] Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 1…
Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16359] Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Fir…
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.1 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16360] Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these …
Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16361] Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory c…
Memory safety bugs present in Thunderbird ESR 140.12. 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 ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16363] JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox…
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16364] Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed i…
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
nvdcriticovulnerabilidad CVSS 9.1 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16349] Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox …
Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16350] Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in F…
Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD

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M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16351] Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed …
Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16352] Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was…
Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
21/07/2026
[CVE-2026-16353] Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153…
Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
30/06/2026
[CVE-2026-14241] Memory safety bugs present in Firefox 152.0.3. Some of these bugs showed evidence of memory corrupti…
Memory safety bugs present in Firefox 152.0.3. 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 152.0.4.
nvdcriticovulnerabilidad CVSS 9.8 NVD
M Crítico vulnerabilidad
16/06/2026
[CVE-2026-12315] Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firef…
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
nvdcriticovulnerabilidad CVSS 9.1 NVD