CVE-2026-21712MediumCVSS 5.7

A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

Published
May 31, 2026
Last Modified
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🔗 CVE IDs covered (1)

CVE-2026-21712 →

🎯 Affected products1

  • azl3 nodejs24 24.13.0-3 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 24.14.1-1

🔗 References (2)