Secunia Security Advisory – Debian 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/92394/sa40801.txt
Source: https://packetstormsecurity.com/files/92394/Secunia-Security-Advisory-40801.html