Debian Security Advisory DSA 955-1 – Two denial of service bugs were found in the mailman list server. In one, attachment filenames containing UTF8 strings were not properly parsed, which could cause the server to crash. In another, a message containing a bad date string could cause a server crash.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43374/dsa-955-1.txt
Source: https://packetstormsecurity.com/files/43374/Debian-Linux-Security-Advisory-955-1.html