{"action":"Upgrade thunderbird to 1:140.4.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.4.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.4.0esr-1~deb12u1"],"id":"tcs_01M5NMVVD9E6J3NVEBS3N4DFWC","modified_at":"2026-10-23T17:47:49.128648521Z","published_at":"2025-10-14T13:15:36.970Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-11708","https://security-tracker.debian.org/tracker/CVE-2025-11708"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-11708#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-11708"}],"summary":"Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4."}