Secunia Security Advisory – Ubuntu has issued an update for mysql-dfsg-5 and mysql-dfsg-5.1. This fixes some security issues and vulnerabilities, which can be exploited by local users to bypass certain security restrictions, by malicious users to bypass certain security restrictions and cause a DoS (Denial of Service), and by malicious people to conduct cross-site scripting attacks, cause a DoS, and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/86186/sa38517.txt
Source: https://packetstormsecurity.com/files/86186/Secunia-Security-Advisory-38517.html