Stack-based buffer overflow in ienipp.ocx in Novell iPrint Client 5.30, and possibly other versions before 5.32, allows remote attackers to execute arbitrary code via a long target-frame parameter.
http://www.vupen.com/english/advisories/2009/3429
http://www.securityfocus.com/bid/37242
http://www.securityfocus.com/archive/1/508289/100/0/threaded
http://secunia.com/secunia_research/2009-40/