libvirt has been patched to fix two security issues.
Further information is available at http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0179 and http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-6456
These security issues have been fixed:
* * Unsafe parsing of XML documents allows arbitrary file read or denial of service (CVE-2014-0179) * Ability to delete or create arbitrary host devices (CVE-2013-6456)