CVE-2026-72854 | Msgpack Msgpack-C up to 7.0.1 Buffer Expansion src/unpack.c msgpack_unpacker_expand_buffer integer overflow

August 20, 2026 Yanac

A vulnerability, which was classified as critical, has been found in Msgpack Msgpack-C up to 7.0.1. This affects the function msgpack_unpacker_expand_buffer of the file src/unpack.c of the component Buffer Expansion. This manipulation causes integer overflow.

This vulnerability is registered as CVE-2026-72854. Remote exploitation of the attack is possible. No exploit is available.VulDB Recent EntriesRead More