CVE-2026-1528

ADVISORY - github

Summary

Impact

A 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.

Workarounds

There are no workarounds.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-1284⁠

Improper Validation of Specified Quantity in Input

CWE-248⁠

Uncaught Exception

ADVISORY - github

CWE-1284⁠

Improper Validation of Specified Quantity in Input

CWE-248⁠

Uncaught Exception

ADVISORY - redhat

CWE-248⁠

Uncaught Exception

Impacted images

Advisories

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