The WordOCX ActiveX control in WordViewer.ocx 3.2.0.5 allows remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long (1) DoOleCommand (2) FTPDownloadFile (3) FTPUploadFile (4) HttpUploadFile (5) GotoPage (6) Save (7) SaveWebFile (8) HttpDownloadFile (9) Open (10) OpenWebFile (11) SaveAs or (12) ShowWordStandardDialog property value.