Gentoo Linux Security Advisory GLSA 200809-09 – A memory leak in Postfix might allow local users to cause a Denial of Service. It has been discovered than Postfix leaks an epoll file descriptor when executing external commands, e.g. user-controlled $HOME/.forward or $HOME/.procmailrc files. NOTE: This vulnerability only concerns Postfix instances running on Linux 2.6 kernels. Versions less than 2.4.9 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70146/glsa-200809-09.txt
Source: https://packetstormsecurity.com/files/70146/Gentoo-Linux-Security-Advisory-200809-9.html