XML external entity (XXE) vulnerability in Zabbix 1.8.x before 1.8.21rc1, 2.0.x before 2.0.13rc1, 2.2.x before 2.2.5rc1, and 2.3.x before 2.3.2 allows remote attackers to read arbitrary files or potentially execute arbitrary code via a crafted DTD in an XML request.
https://bugzilla.redhat.com/show_bug.cgi?id=1110496
http://www.securityfocus.com/bid/68075
http://seclists.org/fulldisclosure/2014/Jun/87
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134909.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134885.html