Buffer overflow in bftpd 1.0.13 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long SITE CHOWN command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5775
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0065
http://archives.neohapsis.com/archives/bugtraq/2000-12/0189.html