firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the CSS Parsing and Computation component...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2...

SUSE CVE-2026-3846

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2...

CVE-2026-3846 Same-origin policy bypass in the CSS Parsing and Computation component

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2...

PT-2026-24212

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 148.0.2 Description A bypass of the same-origin policy exists in the CSS Parsing and Computation component. This allows potentially malicious actors to circumvent security restrictions designed to isolate web pages fr...

Firefox -- Same-origin policy bypass

https://bugzilla.mozilla.org/showbug.cgi?id=2018400 reports: Same-origin policy bypass in the CSS Parsing and Computation component...