Red Hat Security Advisory 2016-0124-01 – Red Hat JBoss Enterprise Application Platform 6 is a platform for Java EE applications. It is based on JBoss Application Server 7 and incorporates multiple open-source projects to provide a complete Java EE platform solution. It was found that the Java Standard Tag Library allowed the processing of untrusted XML documents to utilize external entity references, which could access resources on the host system and, potentially, allowing arbitrary code execution.