CVE-2026-107301 | mcollina msgpack5 up to 6.0.x Deserialization options improperly controlled sequential memory allocation

A vulnerability, which was classified as critical, has been found in mcollina msgpack5 up to 6.0.x. Affected by this issue is some unknown functionality of the component Deserialization. The manipulation of the argument options leads to improperly controlled sequential memory allocation.

This vulnerability is listed as CVE-2026-107301. The attack may be initiated remotely. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More