mod_cluster, as used in Red Hat JBoss Web Server 2.1, allows remote attackers to cause a denial of service (Apache http server crash) via an MCMP message containing a series of = (equals) characters after a legitimate element.
rhn.redhat.com/errata/RHSA-2016-1648.html
rhn.redhat.com/errata/RHSA-2016-1649.html
rhn.redhat.com/errata/RHSA-2016-1650.html
rhn.redhat.com/errata/RHSA-2016-2054.html
rhn.redhat.com/errata/RHSA-2016-2055.html
rhn.redhat.com/errata/RHSA-2016-2056.html
www.securityfocus.com/bid/92584
bugzilla.redhat.com/show_bug.cgi?id=1326320
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