Stack-based buffer overflow in freeFTPd before 1.0.9 with Logging enabled, allows remote attackers to cause a denial of service (application crash), and possibly execute arbitrary code, via a long USER command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/23118
http://www.vupen.com/english/advisories/2005/2458
http://securitytracker.com/id?1015230
http://secunia.com/advisories/17583
http://marc.info/?l=full-disclosure&m=113216611924774&w=2