{"action":"Upgrade thunderbird to 1:153.3.0esr-1 or later.","affected":[{"fixed":"1:153.3.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:153.3.0esr-1"],"id":"tcs_01M5NWNRX253JQ2N45RS35T3RP","modified_at":"2026-10-06T16:01:03.674762885Z","published_at":"2026-09-15T13:17:02.877Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-92074","https://security-tracker.debian.org/tracker/CVE-2026-92074"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-92074","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-92074"}],"summary":"Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3."}