{"action":"Upgrade thunderbird to 1:140.15.0esr-1~deb13u1 or later.","affected":[{"fixed":"1:140.15.0esr-1~deb13u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:140.15.0esr-1~deb13u1"],"id":"tcs_01M5NQPZFJDME2XKKRWCKTH560","modified_at":"2026-10-25T09:47:31.828852504Z","published_at":"2026-07-21T13:17:12.270Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-16371","https://security-tracker.debian.org/tracker/CVE-2026-16371"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-16371#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-16371"}],"summary":"Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15."}