AlmaLinux alert ALSA-2026:26459 (389-ds:1.4)

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[Announce]  [Security Advisory] ALSA-2026:26459: 389-ds:1.4 security update (Important)
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Mon, 22 Jun 2026 12:05:32 +0000
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<0100019eef38b6eb-99aa7680-1759-49e3-b819-3a8106f4f860-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 8
Type: Security
Severity: Important
Release date: 2026-06-22

Summary:

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: unbounded LDAP controls count in get_ldapmessage_controls_ext()
causes CPU and heap amplification (remote DoS) (CVE-2026-9064)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/8/ALSA-2026-26459.html

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AlmaLinux Team
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