Panda ActiveScan 5.53.00, and other versions before 5.54.01, allows remote attackers to (1) reboot the system using the Reinicializar method in the ActiveScan.1 ActiveX control, or (2) determine arbitrary file existence and size via the ObtenerTamano method in the PAVPZ.SOS.1 ActiveX control.
Race condition in Panda ActiveScan 5.53.00, and other versions before 5.54.01, allows remote attackers to cause memory corruption and execute arbitrary code via unknown vectors related to multiple invocations of the Analizar method in the ActiveScan.1 ActiveX control, which is not thread safe.