{"action":"Upgrade thunderbird to 1:140.7.0esr-1~deb13u1 or later.","affected":[{"fixed":"1:140.7.0esr-1~deb13u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:140.7.0esr-1~deb13u1"],"id":"tcs_01M5NPFJM7D3153EZ6DGYD0QAX","modified_at":"2026-10-01T03:00:47.743473242Z","published_at":"2026-01-13T14:16:39.140Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-0886","https://security-tracker.debian.org/tracker/CVE-2026-0886"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-0886#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-0886"}],"summary":"Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7."}