{"action":"Upgrade thunderbird to 1:140.16.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.16.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.16.0esr-1~deb12u1"],"id":"tcs_01M5NWNVNEXB24MR7W6NJSFF3G","modified_at":"2026-10-06T16:01:03.779346892Z","published_at":"2026-09-15T20:19:41.477Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-92238","https://security-tracker.debian.org/tracker/CVE-2026-92238"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-92238","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-92238"}],"summary":"A maliciously constructed mail header could lead to multiple fields being parsed as one, or potential memory safety violations. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and"}