Buffer overflow in a certain ActiveX control in the EDraw Office Viewer Component (edrawofficeviewer.ocx) 4.0.5.20, and other versions before 5.0, allows remote attackers to cause a denial of service (Internet Explorer 7 crash) or execute arbitrary code via a long first argument to the HttpDownloadFile method.
https://www.exploit-db.com/exploits/4009
https://exchange.xforce.ibmcloud.com/vulnerabilities/34590
http://www.vupen.com/english/advisories/2007/1992
http://www.ocxt.com/archives/28
http://shinnai.altervista.org/viewtopic.php?id=42&t_id=32
http://secunia.com/advisories/25418
http://moaxb.blogspot.com/2007/05/moaxb-29-edraw-office-viewer-component.html