Secunia Security Advisory – Ubuntu has issued an update for php5. This fixes multiple vulnerabilities, some of which have unknown impact and others that can be exploited by malicious, local users to bypass certain security restrictions, and by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83259/sa37498.txt
Source: https://packetstormsecurity.com/files/83259/Secunia-Security-Advisory-37498.html