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Microsoft Security Response CenterCVE-2026-5089

YAML::Syck versions before 1.38 for Perl has an out-of-bounds read

HighVendor CVSS 7.3 / 10 1 CVE Published Oct 21, 2026 at 1:01 AM UTC

Summary

Mariner

Products covered

  • azl3 perl-YAML 1.30-2 on Azure Linux 3.0

Remediation

Release Notes

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.