The libldb packages provide an extensible library that implements an LDAP-like API to access remote LDAP servers, or use local TDB databases. The following packages have been upgraded to a later upstream version: libldb . Security Fix: * samba: NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.