Secunia Security Advisory – Ubuntu has issued an update for postgresql. This fixes some vulnerabilities, which can be exploited by malicious users to bypass certain security restrictions and compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89847/sa39907.txt
Source: https://packetstormsecurity.com/files/89847/Secunia-Security-Advisory-39907.html