389-ds-base is vulnerable to denial of service(DoS) attacks. This is because the way slapd was handling certain errors during persistent search. An unauthenticated attacker could use this flaw to crash Directory Server.
access.redhat.com/errata/RHSA-2018:2757
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1614836
bugzilla.redhat.com/show_bug.cgi?id=1614861
bugzilla.redhat.com/show_bug.cgi?id=1615924
bugzilla.redhat.com/show_bug.cgi?id=1623247
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14638
pagure.io/389-ds-base/c/78fc627accacfa4061ce48977e22301f81ea8d73