The Web Console in Red Hat Enterprise Application Platform (EAP) before 6.4.4 and WildFly (formerly JBoss Application Server) allows remote attackers to cause a denial of service (memory consumption) via a large request header.
https://bugzilla.redhat.com/show_bug.cgi?id=1255597
http://www.securitytracker.com/id/1033859
http://rhn.redhat.com/errata/RHSA-2016-1519.html
http://rhn.redhat.com/errata/RHSA-2015-1908.html
http://rhn.redhat.com/errata/RHSA-2015-1907.html
http://rhn.redhat.com/errata/RHSA-2015-1906.html