CVE-2026-1528 Affecting npm package, versions <1:11.11.0-1.24.14.1.2.module+el9.7.0+40151+7a588b37


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.49% (39th percentile)

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  • Snyk IDSNYK-ROCKY9-NPM-16011070
  • published13 Apr 2026
  • disclosed12 Mar 2026

Introduced: 12 Mar 2026

CVE-2026-1528  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 npm to version 1:11.11.0-1.24.14.1.2.module+el9.7.0+40151+7a588b37 or higher.
This issue was patched in RLSA-2026:7350.

NVD Description

Note: Versions mentioned in the description apply only to the upstream npm package and not the npm package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1