org.jboss.seam.web.AuthenticationFilter in Red Hat JBoss Web Framework Kit 2.5.0, JBoss Enterprise Application Platform (JBEAP) 5.2.0, and JBoss Enterprise Web Platform (JBEWP) 5.2.0 allows remote attackers to execute arbitrary code via a crafted authentication header, related to Seam logging.
http://www.securitytracker.com/id/1030457
http://secunia.com/advisories/59555
http://secunia.com/advisories/59554
http://secunia.com/advisories/59346
http://rhn.redhat.com/errata/RHSA-2015-1888.html
http://rhn.redhat.com/errata/RHSA-2014-0794.html
http://rhn.redhat.com/errata/RHSA-2014-0793.html
http://rhn.redhat.com/errata/RHSA-2014-0792.html