mozilla Vulnerability Advisory Catalog

Total 3,294 security vulnerabilities recorded for mozilla software and firmware.

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CVE-2026-16387 CRITICAL
Component: firefox

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 14...

📅 2026-07-21
CVSS 9.8 Dossier →
Component: firefox

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 7.5 Dossier →
Component: firefox

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 7.5 Dossier →
Component: firefox

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 7.5 Dossier →
CVE-2026-16383 CRITICAL
Component: firefox

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird ...

📅 2026-07-21
CVSS 9.8 Dossier →
CVE-2026-16382 CRITICAL
Component: firefox

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 9.8 Dossier →
CVE-2026-16381 CRITICAL
Component: firefox

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thun...

📅 2026-07-21
CVSS 9.1 Dossier →
CVE-2026-16380 CRITICAL
Component: firefox

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 9.1 Dossier →
Component: firefox

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Th...

📅 2026-07-21
CVSS 8.8 Dossier →
Component: firefox

Other issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 7.5 Dossier →
CVE-2026-16377 CRITICAL
Component: firefox

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.1...

📅 2026-07-21
CVSS 9.8 Dossier →
Component: firefox

Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 7.5 Dossier →
CVE-2026-16375 CRITICAL
Component: firefox

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderb...

📅 2026-07-21
CVSS 9.8 Dossier →
Component: firefox

Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and T...

📅 2026-07-21
CVSS 7.5 Dossier →
Component: firefox_mobile

Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153....

📅 2026-07-21
CVSS 7.5 Dossier →
Component: firefox

Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 8.8 Dossier →
Component: firefox

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbi...

📅 2026-07-21
CVSS 8.8 Dossier →
CVE-2026-16370 CRITICAL
Component: firefox

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 9.1 Dossier →
CVE-2026-16369 CRITICAL
Component: firefox

Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thund...

📅 2026-07-21
CVSS 9.8 Dossier →
CVE-2026-16368 CRITICAL
Component: firefox

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 1...

📅 2026-07-21
CVSS 9.8 Dossier →
CVE-2026-16367 CRITICAL
Component: firefox

Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 10.0 Dossier →
Component: firefox

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 8.8 Dossier →
Component: firefox

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 8.8 Dossier →
CVE-2026-16364 CRITICAL
Component: firefox

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21
CVSS 9.1 Dossier →
Page 2 of 138 (3,294 Total Records)