This indicates an attack attempt against mutiple vulnerabilities in RealNetworks GameHouse 'InstallerDlg.dll' ActiveX Control.
The vulnerabilities are caused by an error when the vulnerable software handles a specially crafted argument. It allows a remote attacker to execute arbitrary code.
RealNetworks GameHouse 'InstallerDlg.dll' 18.104.22.1685
System Compromise: Remote attackers can gain control of vulnerable systems.
There are no vendor supplied patches available at this time.