CVE-2026-107298

MediumCVSS 5.3/10Last modified Oct 9, 2026

Description

msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, the array and map decoding paths have no nesting-depth limit, allowing an attacker who can provide MessagePack input to submit deeply nested containers that exhaust the JavaScript call stack and interrupt a process, worker, or request handler. This issue is fixed in version 6.1.0.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-674

Affected software

No affected versions have been published.

Timeline

Published: Oct 8, 2026
Last modified: Oct 9, 2026
NVD status: Deferred

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