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389 Directory Server: Authentication Bypass Risk

published 4 months ago

Summary

A security update for 389 Directory Server addresses a potential authentication bypass vulnerability. This means an attacker could potentially access your system without the correct credentials. You should update your 389 Directory Server to the latest version to ensure your system remains secure.

What to do

Update redhat 389-ds-base to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-debuginfo to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-debugsource to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-devel to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-legacy-tools to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-legacy-tools-debuginfo to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-libs to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-libs-debuginfo to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-snmp to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat 389-ds-base-snmp-debuginfo to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.
Update redhat python3-lib389 to version 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-debuginfo	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-debugsource	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-devel	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-legacy-tools	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-legacy-tools-debuginfo	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-libs	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-libs-debuginfo	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-snmp	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	389-ds-base-snmp-debuginfo	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72
Red Hat:enterprise_linux:8::appstream	redhat	python3-lib389	< 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72 Fix: upgrade to 0:1.4.3.39-24.module+el8.10.0+24340+7270ac72

Original advisory text

Red Hat Security Advisory: 389-ds:1.4 security update

References

https://access.redhat.com/errata/RHSA-2026:26459 Vendor Advisory
https://access.redhat.com/security/updates/classification/#important Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2480093 Third Party Advisory
https://issues.redhat.com/browse/RHEL-163375 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26459.... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-9064 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-9064 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-9064 Vendor Advisory

Fix within

Internet-facing 14 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker partial control (estimated)

Severity

7.5 High

Timeline

Published17 Jun 2026

Updated17 Jun 2026

First seen17 Jun 2026

Sources

RHSA-2026:26459 · OSV

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