Secunia Security Advisory – Ubuntu has issued an update for sudo. This fixes some security issues, which can be exploited by malicious, local users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/86821/sa38795.txt
Source: https://packetstormsecurity.com/files/86821/Secunia-Security-Advisory-38795.html