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CVE-2016-3110

Affected software2 products, listed below
Severity7.5 High CVSS 3.0 2 scores
Fixed in1.3.3.Final
WeaknessImproper input validation (CWE-20)
Published26 Sep 2016
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 10 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 3.6% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

7.5 HIGH v3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD Primary published
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:N/I:N/A:P NVD Primary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.jboss.mod_cluster:mod_cluster-parent 0 1.3.3.Final unbounded

Products and versions

4 products, 8 version entries
SourceVendorProductSchemeAffected versions
nvd fedoraproject fedora generic 28 · 29 · 30
osv org.jboss.mod_cluster mod_cluster-parent generic < 1.3.3
nvd redhat jboss enterprise application platform generic 6.0.0 · 6.4.0
nvd redhat jboss enterprise web server generic 2.0.0 · 2.1

References

URLTags
https://bugzilla.redhat.com/show_bug.cgi?id=1326320 WEB
https://github.com/modcluster/mod_cluster PACKAGE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JMA2YLPK6SEUVF5Q3QEANHYEPRZA2RI WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CX5QNNIVAUB2VVDV6TR3YMFTL6VRKOBO WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE5YZTBZRXCMQFT5LDLZG2HAYBKMYQLL WEB
https://web.archive.org/web/20200227231527/http://www.securityfocus.com/bid/92584 WEB
http://rhn.redhat.com/errata/RHSA-2016-1648.html WEB

Timeline

Published2016-09-26By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.