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OpenAdvisories
High · 7.5 CVE-2026-106972 EUVD-2026-112133GHSA-hw75-hpgq-ph8x

Uncontrolled recursion in MessagePack\BufferUnpacker::unpack() in rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a deni…

Published Oct 28, 2026 · Updated Oct 30, 2026 · Assigned by mitre

Description

Uncontrolled recursion in MessagePack\BufferUnpacker::unpack() in rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service through memory exhaustion when an application decodes deeply nested, attacker-controlled MessagePack input.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS msgpack No fix yet —

References