Unknown vulnerability in the Auto-Protect module in Symantec Norton AntiVirus 2004 and 2005, as also used in Internet Security 2004/2005 and System Works 2004/2005, allows attackers to cause a denial of service (system hang or crash) by triggering a scan of a certain file type.
http://www.securityfocus.com/bid/12923
http://www.kb.cert.org/vuls/id/146020
http://securitytracker.com/id?1013587
http://securitytracker.com/id?1013586
http://securitytracker.com/id?1013585
http://securityresponse.symantec.com/avcenter/security/Content/2005.03.28.html