The LDAP authentication and authorization extensions used by version 4.0 of the engine use the UnboundID LDAP SDK for low level LDAP communication: https://github.com/UnboundID/ldapsdk Note that this isn't a new package, it was already part of version 3.6 of the engine. This bug is needed in order to create the erratum and ship it to customers as part the release of version 4.0.
Build found in erratum: unboundid-ldapsdk-3.0.0-1.el7ev
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHEA-2016-1707.html