Secunia Security Advisory – Ubuntu has issued an update for bzip2. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/94162/sa41486.txt
Source: https://packetstormsecurity.com/files/94162/Secunia-Security-Advisory-41486.html