Secunia Security Advisory – Gentoo has issued an update for postfix. This fixes some security issues, which can be exploited by malicious, local users to disclose potentially sensitive information and perform certain actions with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/69122/sa31477.txt
Source: https://packetstormsecurity.com/files/69122/Secunia-Security-Advisory-31477.html