Secunia Security Advisory – Ubuntu has issued an update for LFTP. This fixes a weakness, which can be exploited by malicious people to bypass certain security features.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/93698/sa41311.txt
Source: https://packetstormsecurity.com/files/93698/Secunia-Security-Advisory-41311.html