Buffer overflow in FileZilla FTP Server 2.2.22 allows remote authenticated attackers to cause a denial of service and possibly execute arbitrary code via a long (1) PORT or (2) PASS followed by the MLSD command, or (2) the remote server interface, as demonstrated by the Infigo FTPStress Fuzzer.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26303
http://www.securityfocus.com/bid/17802
http://www.infigo.hr/hr/in_focus/advisories/INFIGO-2006-05-03
http://marc.info/?l=bugtraq&m=114658586018818&w=2
http://archives.neohapsis.com/archives/bugtraq/2006-05/0139.html