The host is installed with Oracle Virtualization VirtualBox before 4.0.34, 4.1.x before 4.1.42, 4.2.x before 4.2.34, 4.3.x before 4.3.32 or 5.0.x before 5.0.8 and is prone to an unspecified vulnerability. A flaw is present in the application, which fails to handle unknown vectors related to Core. Successful exploitation could allow attackers to affect availability.