Secunia Security Advisory – Ubuntu has issued an update for pidgin. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/78099/sa35329.txt
Source: https://packetstormsecurity.com/files/78099/Secunia-Security-Advisory-35329.html

