[v2.6] Vulnerability in libxml2 allows remote denial of service
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0338
https://bugzilla.redhat.com/show\_bug.cgi?id=912400
Solution:
(from redmine: issue id 1658, created on 2013-03-19, closed on 2013-04-11)