Secunia Security Advisory – Ubuntu has issued an update for openssh-server. This fixes a security issue, which can be exploited malicious users to gain escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40758/sa17245.txt
Source: https://packetstormsecurity.com/files/40758/Secunia-Security-Advisory-17245.html