{"action":"Upgrade thunderbird to 1:140.11.0esr-1 or later.","affected":[{"fixed":"1:140.11.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:140.11.0esr-1"],"id":"tcs_01M5NW6MSBAT1TVAAEW2J66TVS","modified_at":"2026-10-15T09:47:40.102009761Z","published_at":"2026-05-19T14:16:50.800Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8946","https://security-tracker.debian.org/tracker/CVE-2026-8946"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8946#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8946"}],"summary":"Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11."}