WS_FTP Home 2007 NetscapeFTPHandler is prone to a denial of service vulnerability. The vulnerability stems from a null pointer dereference.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/56164/wsftp-dos.txt
Source: https://packetstormsecurity.com/files/56164/wsftp-dos.txt.html