Security Advisory

CVE-2026-1528

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-12 20:21:57

Last updated 2026-03-13 13:04:57

Assigner openjs

State PUBLISHED

Description

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undicis 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.

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