Buffer overflow in ftpd in IBM AIX 5.3 and earlier allows remote attackers to execute arbitrary code via a long NLST command.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11697
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-3187
http://www.ibm.com/support/docview.wss?uid=isg1IZ83276
http://www.ibm.com/support/docview.wss?uid=isg1IZ83275
http://www.ibm.com/support/docview.wss?uid=isg1IZ83274
http://www.ibm.com/support/docview.wss?uid=isg1IZ83252
http://www.exploit-db.com/exploits/14456/
http://www.exploit-db.com/exploits/14409/
http://seclists.org/fulldisclosure/2010/Jul/324
http://seclists.org/fulldisclosure/2010/Jul/317
http://seclists.org/fulldisclosure/2010/Jul/281
http://aix.software.ibm.com/aix/efixes/security/ftpd_advisory.asc