CVE-2014-1868
Restlet Framework 2.1.x before 2.1.7 and 2.x.x before 2.2 RC1, when using XMLRepresentation or XML serializers, allows attackers to cause a denial of service via an XML Entity Expansion (XEE) attack.
Date published : 2014-10-06
https://github.com/restlet/restlet-framework-java/wiki/XEE-security-enhancements