Stack-based buffer overflow in Autonomy (formerly Verity) KeyView Viewer, Filter, and Export SDK before 9.2.0.12, as used by ActivePDF DocConverter, wp6sr.dll in IBM Lotus Notes 8.0 and before 7.0.3, Symantec Mail Security, and other products, allows remote attackers to execute arbitrary code via a crafted WordPerfect (WPD) file.