CVE-2016-3110

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-26 · updated 2026-06-17
Weakness: CWE-20

Description

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.

Affected products

Fedoraproject Fedora: 28, 29, 30
Red Hat JBoss EAP: 6.0.0, 6.4.0
Red Hat JBoss Enterprise Web Server: 2.0.0, 2.1

References

http://rhn.redhat.com/errata/RHSA-2016-1648.html
http://rhn.redhat.com/errata/RHSA-2016-1649.html
http://rhn.redhat.com/errata/RHSA-2016-1650.html
http://rhn.redhat.com/errata/RHSA-2016-2054.html
http://rhn.redhat.com/errata/RHSA-2016-2055.html
http://rhn.redhat.com/errata/RHSA-2016-2056.html
http://www.securityfocus.com/bid/92584
https://bugzilla.redhat.com/show_bug.cgi?id=1326320
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.html

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