Several vulnerabilities were discovered in the qemu virtualisation solution: CVE-2014-9718 It was discovered that the IDE controller emulation is susceptible to denial of service. CVE-2015-1779 Daniel P. Berrange discovered a denial of service vulnerability in the VNC web socket decoder. CVE-2015-2756 Jan Beulich discovered that unmediated PCI command register could result in denial of service. CVE-2015-3456 Jason Geffner discovered a buffer overflow in the emulated floppy disk drive, resulting in the potential execution of arbitrary code.