Secunia Security Advisory – Ubuntu has issued an update for emacs22 and emacs23. This fixes a security issue, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87820/sa39155.txt
Source: https://packetstormsecurity.com/files/87820/Secunia-Security-Advisory-39155.html