CVE-2026-1528 (GCVE-0-2026-1528)
Vulnerability from cvelistv5
Published
2026-03-12 20:21
Modified
2026-08-24 12:07
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-248 - Uncaught exception
  • CWE-1284 - Improper validation of specified quantity in input
Summary
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
Impacted products
Vendor Product Version
undici undici Version: >= 6.0.0 < 6.24.0; 7.0.0 < 7.24.0
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