{"action":"Upgrade thunderbird to 1:140.3.0esr-1 or later.","affected":[{"fixed":"1:140.3.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:140.3.0esr-1"],"id":"tcs_01M5NMTMZMBMQG8T5K3D00DENM","modified_at":"2026-10-24T09:47:33.265395514Z","published_at":"2025-09-16T13:15:44.457Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-10527","https://security-tracker.debian.org/tracker/CVE-2025-10527"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-10527#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-10527"}],"summary":"Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3."}