mod_cluster Denial of Service vulnerability
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jboss.mod_cluster:mod_cluster-parent | < 1.3.3.Final | 1.3.3.Final |
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-3110
- https://bugzilla.redhat.com/show_bug.cgi?id=1326320
- https://github.com/modcluster/mod_cluster
- 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
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL
- https://web.archive.org/web/20200227231527/http://www.securityfocus.com/bid/92584
- 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
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-20- Platform
- Java / Kotlin (Maven)
- Package
org.jboss.mod_cluster:mod_cluster-parent- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-68qq-3phh-53j7 - CC BY 4.0
Vulnerability history: org.jboss.mod_cluster:mod_cluster-parent
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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