RHSA-2026:55424: Important: 389-ds-base security update

Published Aug 17, 2026
·
Updated

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: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770) 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788) 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in getruvelementfromberval() via unbounded replica ID parsing (CVE-2026-15722) 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.

Affected Software

41 affected componentsFixes available
redhat/389-ds-base<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-bdb-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debugsource<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/python3-lib389<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-bdb-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debugsource<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-bdb-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-debugsource<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-libs-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-snmp-debuginfo<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-bdb-debuginfo<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-debuginfo<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-debugsource<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-libs<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-libs-debuginfo<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-snmp<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-snmp-debuginfo<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-bdb<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-devel<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-bdb<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-devel<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-bdb<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-devel<3.2.0-9.el10_2.aa
3.2.0-9.el10_2.aa
redhat/389-ds-base-bdb<3.2.0-9.el10_2
3.2.0-9.el10_2
redhat/389-ds-base-devel<3.2.0-9.el10_2
3.2.0-9.el10_2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/389-ds-base to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  2. Upgrade

    Upgrade redhat/389-ds-base-bdb-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  3. Upgrade

    Upgrade redhat/389-ds-base-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  4. Upgrade

    Upgrade redhat/389-ds-base-debugsource to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  5. Upgrade

    Upgrade redhat/389-ds-base-libs to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  6. Upgrade

    Upgrade redhat/389-ds-base-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  7. Upgrade

    Upgrade redhat/389-ds-base-snmp to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  8. Upgrade

    Upgrade redhat/389-ds-base-snmp-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  9. Upgrade

    Upgrade redhat/python3-lib389 to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  10. Upgrade

    Upgrade redhat/389-ds-base to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  11. Upgrade

    Upgrade redhat/389-ds-base-bdb-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  12. Upgrade

    Upgrade redhat/389-ds-base-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  13. Upgrade

    Upgrade redhat/389-ds-base-debugsource to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  14. Upgrade

    Upgrade redhat/389-ds-base-libs to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  15. Upgrade

    Upgrade redhat/389-ds-base-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  16. Upgrade

    Upgrade redhat/389-ds-base-snmp to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  17. Upgrade

    Upgrade redhat/389-ds-base-snmp-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  18. Upgrade

    Upgrade redhat/389-ds-base-bdb to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  19. Upgrade

    Upgrade redhat/389-ds-base-devel to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2
  20. Upgrade

    Upgrade redhat/389-ds-base-bdb to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  21. Upgrade

    Upgrade redhat/389-ds-base-devel to a version that resolves this vulnerability.

    Fixed in 3.2.0-9.el10_2.aa
  22. Upgrade

    Upgrade 389-ds-base to a version that resolves this vulnerability.

    Patch CVE-2026-11788
  23. Upgrade

    Upgrade 389-ds-base to a version that resolves this vulnerability.

    Patch CVE-2026-15722
  24. Upgrade

    Upgrade 389-ds-base to a version that resolves this vulnerability.

    Patch CVE-2026-11770

Event History

Aug 17, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2026:55424?

The severity of RHSA-2026:55424 is rated as 80.

2

How do I fix RHSA-2026:55424?

To fix RHSA-2026:55424, update the affected packages of 389-ds-base to the latest version provided by Red Hat.

3

What is the nature of the vulnerability in RHSA-2026:55424?

The vulnerability in RHSA-2026:55424 involves a pre-authentication LDAP filter injection issue.

4

Which software packages are impacted by RHSA-2026:55424?

The impacted software packages include redhat/389-ds-base and its associated libraries and debuginfo packages.

5

What types of security issues are highlighted in RHSA-2026:55424?

RHSA-2026:55424 highlights security issues including buffer overflow and null pointer dereference.

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