NULL Pointer Dereference biggest defect...

Hi malware fighters,

Main defect in Open Software and also a vulnerability in Windows is the NULL Pointer Dereference defect to be exploited:
http://www.uninformed.org/?v=4&a=5&t=sumry
Also read this: http://blogs.msdn.com/kcwalina/archive/2005/03/16/396787.aspx
polonus