RLSA-2026:64791

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Source

https://errata.rockylinux.org/RLSA-2026:64791

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:64791.json

JSON Data

https://api.test.osv.dev/v1/vulns/RLSA-2026:64791

Upstream

CVE-2026-18355

CVE-2026-18453

CVE-2026-18922

CVE-2026-76560

Published

2026-09-09T06:01:32Z

Modified

2026-09-09T06:30:15Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Critical: 389-ds:1.4 security, bug fix, and enhancement update

Details

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 via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)

Bug Fix(es) and Enhancement(s):

lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-8.10.z] (JIRA:Rocky Linux-244463)
fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-8.10.z] (JIRA:Rocky Linux-248762)

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.

Database specific

{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:64791"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:8 / 389-ds-base

Package

Name: 389-ds-base
Purl: pkg:rpm/rocky-linux/389-ds-base?distro=rocky-linux-8&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:1.4.3.39-28.module+el8.10.0+40311+cd962df1

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:64791.json"