Latest CVE Feed

Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

Score
Vulnerability
Published
9.1 CRITICAL
CVE-2026-16381 — Same-origin policy bypass in the Networking: DNS component

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

firefox thunderbird | Remote
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.1 CRITICAL
CVE-2026-16380 — Mitigation bypass in the Networking component

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

firefox thunderbird | Remote | Misconfiguration
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16379 — Privilege escalation in the DOM: Content Processes component

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

firefox thunderbird | Remote | Authorization
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
7.5 HIGH
CVE-2026-16378 — Other issue in the DOM: Copy & Paste and Drag & Drop component

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

firefox thunderbird | Remote
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16377 — Mitigation bypass in the PDF Viewer component

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

firefox thunderbird | Remote
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
7.5 HIGH
CVE-2026-16376 — Denial-of-service in the Graphics: WebGPU component

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

firefox thunderbird | Remote | Denial of Service
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16375 — Site isolation issue in the Networking: HTTP component

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

firefox thunderbird | Remote | Misconfiguration
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
7.5 HIGH
CVE-2026-16374 — Information disclosure in the Framework component in DevTools

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

firefox thunderbird | Remote | Information Disclosure
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
7.5 HIGH
CVE-2026-16373 — Information disclosure in the Privacy component in Firefox for Android

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

firefox firefox_mobile | Remote | Information Disclosure
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16372 — Privilege escalation in the DOM: Content Processes component

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

firefox thunderbird | Remote | Authorization
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16371 — Privilege escalation in the DOM: Navigation component

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

firefox thunderbird | Remote | Authorization
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.1 CRITICAL
CVE-2026-16370 — Mitigation bypass in the DOM: Networking component

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

firefox thunderbird | Remote | Misconfiguration
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16369 — Integer overflow in the JavaScript: WebAssembly component

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

firefox thunderbird | Remote | Memory Corruption
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16368 — Incorrect boundary conditions in the JavaScript: WebAssembly component

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.

firefox thunderbird | Remote | Memory Corruption
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
10.0 CRITICAL
CVE-2026-16367 — Sandbox escape due to invalid pointer in the Disability Access APIs component

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

firefox thunderbird | Remote | Memory Corruption
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16366 — Privilege escalation in the DOM: Navigation component

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

firefox thunderbird | Remote | Authorization
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16365 — Privilege escalation in the DOM: Workers component

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

firefox thunderbird | Remote | Authorization
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.1 CRITICAL
CVE-2026-16364 — Incorrect boundary conditions in the Audio/Video: Playback component

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

firefox thunderbird | Remote | Denial of Service
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
9.8 CRITICAL
CVE-2026-16363 — JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

firefox thunderbird | Remote | Memory Corruption
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
8.8 HIGH
CVE-2026-16362 — Use-after-free in the WebRTC: Audio/Video component

Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

firefox thunderbird | Remote | Memory Corruption
Jul 21, 2026 Jul 24, 2026
Jul 21, 2026
Jul 24, 2026
Showing 20 of 9591 Results