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High ELSA-2026-6470 1 CVE

Important: perl-YAML-Syck security update (Oracle Linux 8)

Published Apr 3, 2026 · Updated Apr 3, 2026

Ecosystem: Oracle Linux

Summary

[1.30-6]
- Resolves: RHEL-156475
- Fix CVE-2026-4177

Fixed packages 1

ReleasePackageFixed in
Oracle Linux · 8 perl-YAML-Syck 0:1.30-6.el8_10

Vulnerabilities 1

  • Critical 9.1
    CVE-2026-4177

    YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter

    YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder c…

    TODDR YAML::Syck libyaml-syck-perl perl-YAML-Syck Debian Ubuntu Azure Linux Alpine