{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5ZT5H0FYY103C1SX54F6TN7","modified_at":"2026-10-29T12:00:21.248461616Z","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":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117912#Debian:12/thunderbird","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."}