Buffer overflow in the cliproxy.objects.1 ActiveX control in the Symantec Client Proxy (CLIproxy.dll) in Symantec AntiVirus 10.0.x, 10.1.x before MR9, and 10.2.x before MR4; and Symantec Client Security 3.0.x and 3.1.x before MR9 allows remote attackers to execute arbitrary code via a long argument to the SetRemoteComputerName function.

The on-demand scanning in Symantec AntiVirus 10.0.x and 10.1.x before MR9, AntiVirus 10.2.x, and Client Security 3.0.x and 3.1.x before MR9, when Tamper protection is disabled, allows remote attackers to cause a denial of service (prevention of on-demand scanning) via "specific events" that prevent the user from having read access to unspecified resources.

Multiple cross-site scripting (XSS) vulnerabilities in ccLgView.exe in the Symantec Log Viewer, as used in Symantec AntiVirus (SAV) before 10.1 MR8, Symantec Endpoint Protection (SEP) 11.0 before 11.0 MR1, Norton 360 1.0, and Norton Internet Security 2005 through 2008, allow remote attackers to inject arbitrary web script or HTML via a crafted e-mail message, related to "two parsing errors."