ALSA-2026:26455

389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.

Security Fix(es):

• 389-ds-base: 389-ds-base: unbounded LDAP controls count in getldapmessagecontrols_ext() causes CPU and heap amplification (remote DoS) (CVE-2026-9064)

Bug Fix(es) and Enhancement(s):

• Getting "buildcandidatelist - Database error 11" messages after migrating to LMDB. [almalinux-9.8.z] (JIRA:AlmaLinux-152356)
• Web console doesn't show the sub suffix of ou=foo,ou=people,dc=example,dc=com. [almalinux-9.8.z] (JIRA:AlmaLinux-168967)
• DS 12 does not handle escape char in bind user [almalinux-9.8.z] (JIRA:AlmaLinux-170269)
• [RFE] Add OS-level thread names to all server threads [almalinux-9.8.z] (JIRA:AlmaLinux-174524)
• Online export is failing when using the option "-s" [almalinux-9.8.z] (JIRA:AlmaLinux-180716)
• Server shutdown during online reindex may lead to data loss [almalinux-9.8.z] (JIRA:AlmaLinux-183895)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.