CVE-2026-16387

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

CVE-2026-16387 Site isolation issue in the Networking component

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

CVE-2026-16387

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

CVE-2026-16387

CVE-2026-16387 is a site isolation issue in the Mozilla Firefox Networking component. The vulnerability is fixed in Firefox 153 and Firefox ESR 140.13. The available documents do not specify the exact vulnerable versions beyond the fix, nor do they provide exploitation details. Affected software ...

CVE-2026-16387

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

EUVD-2026-46224

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153 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

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

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-2026-16375 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...

CVE-2026-16375

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...

EUVD-2026-46211

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

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...

CVE-2026-16375

CVE-2026-16375 affects Mozilla Firefox’s Networking: HTTP component with a site isolation issue. The vulnerability was fixed in Firefox 153 and Firefox ESR 140.13. Affected product: Firefox (Networking: HTTP) with site isolation as the underlying bug. According to the provided documents, the CVSS...

CVE-2026-16375

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...

CVE-2026-16375

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...

PT-2026-61910

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153 Description A site isolation issue exists within the Graphics component. Site isolation is a security mechanism that ensures web pages from different sites are processed in separa...