{"action":"Upgrade thunderbird to 1:140.11.0esr-1~deb13u1 or later.","affected":[{"fixed":"1:140.11.0esr-1~deb13u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:140.11.0esr-1~deb13u1"],"id":"tcs_01M5NW7PEHZS7QTVWF8ESVCSTF","modified_at":"2026-10-15T09:47:31.587484966Z","published_at":"2026-05-19T14:16:51.700Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8954","https://security-tracker.debian.org/tracker/CVE-2026-8954"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8954#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8954"}],"summary":"Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11."}