libvirt 0.7.5 through 1.2.x before 1.2.5 allows local users to cause a denial of service (read block and hang) via a crafted XML document containing an XML external entity declaration in conjunction with an entity reference to the (1) virConnectCompareCPU or (2) virConnectBaselineCPU API method, related to an XML External Entity (XXE) issue. NOTE: this issue was SPLIT per ADT3 due to different affected versions of some vectors. CVE-2014-5177 is used for other API methods.
libvirt.org/news.html
lists.opensuse.org/opensuse-updates/2014-05/msg00048.html
lists.opensuse.org/opensuse-updates/2014-05/msg00052.html
rhn.redhat.com/errata/RHSA-2014-0560.html
secunia.com/advisories/60895
security.gentoo.org/glsa/glsa-201412-04.xml
security.libvirt.org/2014/0003.html
www.debian.org/security/2014/dsa-3038
www.ubuntu.com/usn/USN-2366-1