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.
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
Source: MITRE
Published: 2016-09-26
Updated: 2019-05-10
Type: CWE-20
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH