{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5ZT5GWNSHVN3W5X5TTCN5HP","modified_at":"2026-11-05T10:00:40.730578308Z","published_at":"2026-10-27T14:16:46.640Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117912","https://security-tracker.debian.org/tracker/CVE-2026-117912"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117912#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117912"}],"summary":"Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}