RHSA-2026:55530: Important: 389-ds:1.4 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

49 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
redhat/389-ds-base<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/python3-lib389<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debugsource<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-devel<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debugsource<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-devel<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-debugsource<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-devel<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-legacy-tools-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-libs-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base-snmp-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b
1.4.3.39-26.module+el8.10.0+24634+ded7774b
redhat/389-ds-base<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-debugsource<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-devel<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-legacy-tools<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-legacy-tools-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-libs<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-libs-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-snmp<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
redhat/389-ds-base-snmp-debuginfo<1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa

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 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  2. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  3. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  4. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  5. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  6. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  7. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  8. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  9. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  10. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  11. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b
  12. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  13. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  14. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  15. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  16. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  17. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  18. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  19. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  20. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  21. Upgrade

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

    Fixed in 1.4.3.39-26.module+el8.10.0+24634+ded7774b.aa
  22. Upgrade

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

    Patch CVE-2026-11770
  23. Upgrade

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

    Patch CVE-2026-11788
  24. Upgrade

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

    Patch CVE-2026-15722

Event History

Aug 17, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·08:47 AM
Data Sourced
via Red Hat·08:47 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:55530?

The severity of RHSA-2026:55530 is classified as high with a score of 7.

2

How do I fix RHSA-2026:55530?

To fix RHSA-2026:55530, you should apply the latest security update for 389-ds-base.

3

What are the key vulnerabilities addressed in RHSA-2026:55530?

RHSA-2026:55530 addresses a pre-auth LDAP filter injection vulnerability in 389-ds-base.

4

Which software packages are affected by RHSA-2026:55530?

The affected software packages include redhat/389-ds-base and its associated utilities.

5

What types of issues does RHSA-2026:55530 mitigate?

RHSA-2026:55530 mitigates vulnerabilities related to buffer overflow and null pointer dereference.

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