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CVE-2026-1528 The advisory has been revoked - it doesn't affect any version of package node-undici  (opens in a new tab)

Threat Intelligence

EPSS
0.49% (39th percentile)

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  • Snyk IDSNYK-DEBIAN12-NODEUNDICI-15656294
  • published16 Mar 2026
  • disclosed12 Mar 2026
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Introduced: 12 Mar 2026

CVE-2026-1528  (opens in a new tab)

Amendment

The Debian security team deemed this advisory irrelevant for Debian:12.

NVD Description

Note: Versions mentioned in the description apply only to the upstream node-undici package and not the node-undici package as distributed by Debian.

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process.

Patches

Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

References