Buffer overflow in Ability Server 2.25, 2.32, 2.34, and possibly other versions, allows remote attackers to execute arbitrary code via a long APPE command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18405
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1621
http://www.securityfocus.com/bid/11508
http://securitytracker.com/id?1012464