AlmaLinux alert ALSA-2026:1903 (fence-agents)

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[Announce]  [Security Advisory] ALSA-2026:1903: fence-agents security update (Important)
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Tue, 10 Feb 2026 12:08:00 +0000
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<0100019c47738ae2-f481c27e-9c38-4719-9713-091306f42b8d-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: 9
Type: Security
Severity: Important
Release date: 2026-02-10

Summary:

The fence-agents packages provide a collection of scripts for handling remote power management for
cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from
the cluster.   

Security Fix(es):  

  * pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID
(CVE-2026-23490)


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/9/ALSA-2026-1903.html

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AlmaLinux Team
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