CVE-2026-16351 Sandbox escape due to use-after-free in the DOM: Navigation component

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...

CVE-2026-16351

A use-after-free vulnerability in the DOM: Navigation component of Mozilla Firefox and Thunderbird allows for a sandbox escape . This security flaw affects the firefox , firefox-esr , and thunderbird packages. Remediation is available in Firefox 153 , Firefox ESR 115.38 , Firefox ESR 140.13 , Thu...

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...

CVE-2026-16362

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...

CVE-2026-16362

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...

EUVD-2026-46191

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

CVE-2026-16362

A use-after-free vulnerability exists in the WebRTC: Audio/Video component of the Mozilla Firefox and Thunderbird browsers. This security flaw could potentially allow for the execution of arbitrary code. The issue has been resolved in Firefox 153 , Firefox ESR 140.13 , and Thunderbird 153/140.13 ...

CVE-2026-16350

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...

CVE-2026-16350

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...

EUVD-2026-46190

Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16350 Incorrect boundary conditions in the Audio/Video: cubeb component

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...

CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component

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...

CVE-2026-16349 Same-origin policy bypass in the DOM: Navigation component

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...

EUVD-2026-46189

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16349

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...

CVE-2026-16349

The Mozilla Firefox and Thunderbird browsers are affected by CVE-2026-16349 , a Same-origin policy bypass in the DOM: Navigation component . This vulnerability allows for the bypass of security boundaries intended to isolate different web origins. The issue has been addressed in Firefox 153 , Fir...

PT-2026-61866

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 115.38 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird version prior to 140.13 Description An information disclosure issue exists within the Graphic...

PT-2026-61880

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description Incorrect boundary conditions exist within the JavaScript: WebAssembly component...

PT-2026-61881

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description An integer overflow exists in the JavaScript: WebAssembly component. An integer overflow occu...

PT-2026-61887

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Firefox ESR versions prior to 140.13 Thunderbird versions prior to 153 Thunderbird versions prior to 140.13 Description A site isolation issue exists within the Networking: HTTP component. Recommendations Update...