Apply a patch from the vendorRealNetworks has provided information about patches for the Helix Universal Server at the following location:http://www.service.real.com/help/faq/security/bufferoverrun12192002.htmlUsers are encouraged to review this information and apply the patch.WorkaroundsDisable access to the Helix Server via HTTPIf patches cannot be applied, limit access to the HTTP service (80/tcp) on the vulnerable systems to trusted systems on the network. Note that this will not prevent internal attackers from exploiting this vulnerability, but can limit exposure. As a general rule, the CERT/CC recommends blocking access to all services that are not explicitly required.