(1) CVE-2018-1121 The issue would affect the portal since this library is not used for any functionality. The Portal only uses Java code. Red Hat won't fix for RHEL 6. https://access.redhat.com/security/cve/cve-2018-1121
(2) CVE-2018-1122 Red Hat has not yet fixed. Very unlikely to affect Portal.
(3) CVE-2018-1123 Red Hat has not yet fixed. Very unlikely to affect Portal.
(4) CVE-2018-1124 Very unlikely to affect Portal. Fix is included in Monthly platform patch.
(5) CVE-2018-1125 The issue would affect the portal since this library is not used for any functionality. The Portal only uses Java code. Red Hat won't fix for RHEL 6. https://access.redhat.com/security/cve/cve-2018-1125
(6) CVE-2018-1126 Very unlikely to affect Portal. Fix is included in Monthly platform patch.