Ubuntu Security Notice USN-76-1 – Max Vozeler discovered a format string vulnerability in the movemail utility of Emacs. By sending specially crafted packets, a malicious POP3 server could cause a buffer overflow, which could be exploited to execute arbitrary code with the privileges of the user and the mail group.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36084/USN-76-1.txt
Source: https://packetstormsecurity.com/files/36084/Ubuntu-Security-Notice-76-1.html