Secunia Security Advisory – Ubuntu has issued an update for gnupg. This fixes a vulnerability, which potentially can be exploited by malicious people to bypass certain security restrictions when applications use GnuPG in an insecure manner.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54895/sa24420.txt
Source: https://packetstormsecurity.com/files/54895/Secunia-Security-Advisory-24420.html