CVE-2026-106971

HighCVSS 7.5/10Last modified Nov 3, 2026

Description

An integer overflow in the MessagePack\BufferUnpacker component of rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service via crafted MessagePack input when the application runs on 32-bit PHP

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-190 CWE-400

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Oct 28, 2026
Last modified: Nov 3, 2026
NVD status: Deferred

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