What is CVE-2026-33671?

CVE-2026-33671 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Picomatch has a ReDoS vulnerability via extglob quantifiers

Which CVE IDs does CVE-2026-33671 cover?

CVE-2026-33671 covers the following CVE IDs: CVE-2026-33671. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-33671?

CVE-2026-33671 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-33671?

CVE-2026-33671 affects 2 products, including: azl3 nodejs24 24.13.0-3 on Azure Linux 3.0; azl3 nodejs24 24.14.1-1 on Azure Linux 3.0.

CVE-2026-33671HighCVSS 7.5

Picomatch has a ReDoS vulnerability via extglob quantifiers

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-33671 →

🎯 Affected products2

azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
azl3 nodejs24 24.14.1-1 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 24.14.1-2

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33671
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade