{"action":"Upgrade postfix to 2.8.0-1 or later.","affected":[{"fixed":"2.8.0-1","introduced":"0"}],"component":"postfix","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.8.0-1"],"id":"tcs_01M5N9PRSMRBMV4DBZXF4STEWB","modified_at":"2026-10-23T17:47:45.806831267Z","published_at":"2011-03-16T22:55:02.717Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-0411","https://security-tracker.debian.org/tracker/CVE-2011-0411"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-0411#Debian:14/postfix","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-0411"}],"summary":"The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 does not properly restrict I/O buffering, which allows man-in-the-middle att"}