Buffer overflow in EFTP allows remote attackers to cause a denial of service via a long string.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5219
https://euvd.enisa.europa.eu/vulnerability/EUVD-2000-0857
http://www.securityfocus.com/bid/1675
http://archives.neohapsis.com/archives/bugtraq/2000-09/0089.html