Red Hat Security Advisory 2015-2558-01 – Red Hat JBoss Fuse Service Works is the next-generation ESB and business process automation infrastructure. This release of Red Hat JBoss Fuse Service Works 6.2.1 serves as a replacement for Red Hat JBoss Fuse Service Works 6.0.0. It includes various bug fixes, which are listed in the README file included with the patch files. The following security issues are fixed with this release: A flaw was discovered that when an application uses Groovy and uses the standard Java serialization mechanism, an attacker can bake a special serialized object that executes code directly when deserialized. All applications which rely on serialization and do not isolate the code which deserializes objects are subject to this vulnerability.