Secunia Security Advisory – Ubuntu has issued an update for apache2. This fixes a vulnerability, which can be exploited by malicious people to manipulate certain data.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/94142/sa41542.txt
Source: https://packetstormsecurity.com/files/94142/Secunia-Security-Advisory-41542.html

