Debian Security Advisory DSA 841-1 – A format string vulnerability has been discovered in GNU mailutils which contains utilities for handling mail that allows a remote attacker to execute arbitrary code on the IMAP server.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40407/dsa-841-1.txt
Source: https://packetstormsecurity.com/files/40407/Debian-Linux-Security-Advisory-841-1.html