undertow-core is vulnerable to denial of service attacks. The vulnerability exists when a GET request with very long URL (about 1900 characters) which exceeds the default buffer sizes is sent to the proxy server, it consumes 100% CPU and fills the disk space by generating logs very fast with an infinite loop.
access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/?version=7.0/
access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/703-release-notes/
access.redhat.com/security/updates/classification/#important
issues.jboss.org/browse/JBEAP-5590
rhn.redhat.com/errata/RHSA-2016-2640.html