{
  "modified": "2025-08-09T19:01:28Z",
  "published": "2009-09-21T19:30:00Z",
  "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.",
  "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"
    }
  ]
}