{"action":"Upgrade thunderbird to 1:140.11.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.11.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.11.0esr-1~deb12u1"],"id":"tcs_01M5NW85SC2MYGX582P49G4TNE","modified_at":"2026-10-15T09:47:36.923119695Z","published_at":"2026-05-19T14:16:52.057Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8957","https://security-tracker.debian.org/tracker/CVE-2026-8957"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8957#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8957"}],"summary":"Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11."}