Secunia Security Advisory – Debian has issued an update for libgd2. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/68421/sa31168.txt
Source: https://packetstormsecurity.com/files/68421/Secunia-Security-Advisory-31168.html