Stack-based buffer overflow in the Anzio Web Print Object (WePO) ActiveX control 3.2.19 and 3.2.24, as used in Anzio Print Wizard, allows remote attackers to execute arbitrary code via a long mainurl parameter.
https://www.exploit-db.com/exploits/6278
http://www.vupen.com/english/advisories/2008/2417
http://www.securityfocus.com/archive/1/495630/100/0/threaded