CVE-2016-3110

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.

• CWE-20

• http://rhn.redhat.com/errata/RHSA-2016-1648.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-1649.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-1650.htmlBroken Link
• http://rhn.redhat.com/errata/RHSA-2016-2054.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2055.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2056.htmlBroken Link
• http://www.securityfocus.com/bid/92584Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1326320Issue Tracking
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL/
• http://rhn.redhat.com/errata/RHSA-2016-1648.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-1649.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-1650.htmlBroken Link
• http://rhn.redhat.com/errata/RHSA-2016-2054.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2055.htmlVendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2056.htmlBroken Link
• http://www.securityfocus.com/bid/92584Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1326320Issue Tracking
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL/

Published

Sep 26, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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