CVE-2026-16381

CVE-2026-16381 affects Mozilla Firefox (Networking: DNS component). It is a same-origin policy bypass vulnerability with a CVSS v3.1 base score of 9.1 (CRITICAL). The description indicates the issue was fixed in Firefox 153 and Firefox ESR 140.13. The connected sources confirm the fix versions; n...

CVE-2026-16381

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...

CVE-2026-16381

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...

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...

CVE-2026-16381

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...

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...

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...

CVE-2026-16380

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

EUVD-2026-46217

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

CVE-2026-16380

CVE-2026-16380 describes a mitigation bypass in the Networking component of Mozilla Firefox. The issue is characterized in the sources as a bypass vulnerability that was fixed in Firefox 153. The affected product is Mozilla Firefox; detailed root cause and affected subcomponents are not explicitl...

CVE-2026-16380

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

CVE-2026-16380

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

CVE-2026-16358 Site isolation issue in the Graphics: WebRender component

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...

CVE-2026-16358

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...

CVE-2026-16358

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...

CVE-2026-16358

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...

EUVD-2026-46216

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13...

CVE-2026-16358 Site isolation issue in the Graphics: WebRender component

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...

CVE-2026-16358

Summary: CVE-2026-16358 is a site-isolation issue in the Graphics: WebRender component of Mozilla Firefox/Firefox ESR. The underlying problem is within WebRender's handling of cross-origin/site isolation, and it has been fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. Affected p...

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...