{"action":"Upgrade thunderbird to 1:140.3.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.3.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.3.0esr-1~deb12u1"],"id":"tcs_01M5NMTP3SRCMNDWRGDWXQYF8C","modified_at":"2026-10-24T09:47:30.519166859Z","published_at":"2025-09-16T13:15:45.550Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-10529","https://security-tracker.debian.org/tracker/CVE-2025-10529"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-10529#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-10529"}],"summary":"Same-origin policy bypass in the Layout component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3."}