cvedb.io
CVE-2026-21712
MEDIUM · CVSS 5.7
EPSS exploitation probability: 0%
Published 2026-03-30T16:16:03.510 · Last modified 2026-06-17T10:18:57.380

Summary

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.

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References

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