389 Directory Server is vulnerable to denial of service(DoS) attacks which allows an attacker to cause a crash in the LDAP server using ldapsearch with server side sort.
lists.opensuse.org/opensuse-security-announce/2019-05/msg00033.html
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-2018-10935
lists.debian.org/debian-lts-announce/2018/08/msg00032.html