{"action":"Upgrade thunderbird to 1:140.5.0esr-1~deb13u1 or later.","affected":[{"fixed":"1:140.5.0esr-1~deb13u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:140.5.0esr-1~deb13u1"],"id":"tcs_01M5NMX3WS1E2KETQZ1FRTR70E","modified_at":"2026-10-24T09:47:36.229625007Z","published_at":"2025-11-11T16:15:39Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-13019","https://security-tracker.debian.org/tracker/CVE-2025-13019"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-13019#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-13019"}],"summary":"Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5."}