Buffer overflow in an ActiveX control (SYMLTCOM.dll) in Symantec N360 1.0 and 2.0; Norton Internet Security, AntiVirus, SystemWorks, and Confidential 2006 through 2008; and Symantec Client Security 3.0.x before 3.1 MR9, and 3.1.x before MR9; allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors. NOTE: this is only a vulnerability if the attacker can "masquerade as an authorized site."
https://exchange.xforce.ibmcloud.com/vulnerabilities/56357
http://www.vupen.com/english/advisories/2010/0411
http://www.securitytracker.com/id?1023631
http://www.securitytracker.com/id?1023630
http://www.securitytracker.com/id?1023629
http://www.securitytracker.com/id?1023628
http://www.securityfocus.com/bid/38217
http://www.securityfocus.com/archive/1/509717/100/0/threaded