{"action":"Upgrade postfix to 2.6.5-3 or later.","affected":[{"fixed":"2.6.5-3","introduced":"0"}],"component":"postfix","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.6.5-3"],"id":"tcs_01M5N9BCF85G4PR6HZPNHA8EAP","modified_at":"2026-10-23T17:47:32.426841155Z","published_at":"2009-09-21T19:30:00.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-2939","https://security-tracker.debian.org/tracker/CVE-2009-2939"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-2939","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-2939"}],"summary":"The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink at"}