{"id":"CVE-2009-2939","details":"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 attacks that overwrite arbitrary files.","modified":"2026-04-10T03:40:52.222293Z","published":"2009-09-21T19:30:00Z","references":[{"type":"ADVISORY","url":"http://www.debian.org/security/2011/dsa-2233"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2009/09/18/6"}],"schema_version":"1.7.5"}