The host is installed with RealNetworks RealPlayer 11.x through 11.1, 14.x through 14.0.7, 15.x before 15.02.71, or RealPlayer SP 1.0 through 1.1.5 and is prone to an unspecified vulnerability. A flaw is present in the applications, which fail to handle a crafted RV40 RealVideo video stream. Successful exploitation could allow attackers to execute arbitrary code.