{"action":"Upgrade postfix to 3.11.2-1 or later.","affected":[{"fixed":"3.11.2-1","introduced":"0"}],"component":"postfix","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.11.2-1"],"id":"tcs_01M5NS70CBP7PRRHB9M29DFXZE","modified_at":"2026-10-01T03:03:05.790540118Z","published_at":"2026-05-04T19:16:07.143Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-43964","https://security-tracker.debian.org/tracker/CVE-2026-43964"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-43964#Debian:14/postfix","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-43964"}],"summary":"Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and process crash via an enhanced status code that lacks text after the third number."}