{"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_01M5NWNWEE7HTRXT5NFB2EX6DK","modified_at":"2026-10-06T16:01:03.791216008Z","published_at":"2026-09-15T20:19:41.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-92240","https://security-tracker.debian.org/tracker/CVE-2026-92240"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-92240","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-92240"}],"summary":"A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged '* ID' response, crashing Thunderbird. The affected parsing path is reachabl"}