Multiple buffer overflows in the Office Viewer OCX ActiveX control (oa.ocx) 3.2 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long argument to the (1) HttpDownloadFile, (2) Open, (3) OpenWebFile, (4) DoOleCommand, (5) FTPDownloadFile, (6) FTPUploadFile, (7) HttpUploadFile, (8) Save, or (9) SaveWebFile function.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34067
http://www.vupen.com/english/advisories/2007/1664
http://www.shinnai.altervista.org/moaxb/20070504/oa.txt
http://secunia.com/advisories/25143
http://moaxb.blogspot.com/2007/05/moaxb-04-office-viewer-oaocx-v-32.html