CVE-2026-74986

creationtimestamp| type| source ---|---|--- 2026-08-19 04:47:07+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 18:20:05+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtjuctplmh24...

Linux Distros Unpatched Vulnerability : CVE-2026-74986

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and...

CVE-2026-74986

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

UBUNTU-CVE-2026-74986

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74986

A site isolation flaw in Firefox/Thunderbird's CSS Parsing and Computation component allows cross-origin data leakage. NVD rates it CVSS 9.1 (network, no auth). No active exploitation confirmed; patch in Firefox 154, ESR 153.1, Thunderbird 154, and 153.1. Update affected browsers immediately.

CVE-2026-74986

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74986 Site isolation issue in the CSS Parsing and Computation component

Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...