Apache POI before 3.10.1 and 3.11.x before 3.11-beta2 allows remote attackers to cause a denial of service (CPU consumption and crash) via a crafted OOXML file, aka an XML Entity Expansion (XEE) attack.
https://exchange.xforce.ibmcloud.com/vulnerabilities/95768
http://www.securityfocus.com/bid/69648
http://www.apache.org/dist/poi/release/RELEASE-NOTES.txt
http://www-01.ibm.com/support/docview.wss?uid=swg21996759
http://secunia.com/advisories/61766
http://secunia.com/advisories/60419
http://secunia.com/advisories/59943
http://rhn.redhat.com/errata/RHSA-2014-1400.html
http://rhn.redhat.com/errata/RHSA-2014-1399.html
http://rhn.redhat.com/errata/RHSA-2014-1398.html