Secunia Security Advisory – Ubuntu has issued an update for dvipng. This fixes some vulnerabilities, which can potentially be exploited by malicious people to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89278/sa39725.txt
Source: https://packetstormsecurity.com/files/89278/Secunia-Security-Advisory-39725.html