AlmaLinux alert ALSA-2026:6470 (perl-YAML-Syck)

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[Announce] [Security Advisory] ALSA-2026:6470: perl-YAML-Syck security update (Important)
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Fri, 03 Apr 2026 15:05:14 +0000
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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: 2026-04-03

Summary:

This module provides a Perl interface to the libsyck data serialization library. It exports the
Dump and Load functions for converting Perl data structures to YAML strings, and the other way
around.  

Security Fix(es):  

  * perl-YAML-Syck: YAML::Syck versions through 1.36 for Perl has several potential security
vulnerabilities including a high-severity heap buffer overflow in the YAML emitter
(CVE-2026-4177)


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-2026-6470.html

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AlmaLinux Team
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