An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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: Heap buffer overflow in sasl_io_recv() via padded
SASL UNBIND (CVE-2026-11610)

* 389-ds-base: 389-ds-base: integer overflow in SASL packet length bypasses
size limit leading to heap buffer overflow (CVE-2026-11774)

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.

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CVE-2026-11610: Heap-based Buffer Overflow (CWE-122)
CVE-2026-11774: Integer Overflow or Wraparound (CWE-190)