Debian Security Advisory 1061-1 – It has been discovered that popfile, a bayesian mail classifier, can be forced into a crash through malformed character sets within email messages, which allows denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46500/dsa-1061-1.txt
Source: https://packetstormsecurity.com/files/46500/Debian-Linux-Security-Advisory-1061-1.html