Stack-based buffer overflow in the Clever Database Comparer 2.2 ActiveX control (comparerax.ocx) allows remote attackers to execute arbitrary code via a long argument to the ConnectToDatabase function.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34261
http://www.vupen.com/english/advisories/2007/1792
http://secunia.com/advisories/25227
http://moaxb.blogspot.com/2007/05/moaxb-14-clever-database-comparer.html