HIGH7.5
MessagePack: Unbounded memory leak in msgpack C extension on strict_map_key validation failure
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
- https://github.com/msgpack/msgpack-python/security/advisories/GHSA-j586-36cw-2gc2
- https://nvd.nist.gov/vuln/detail/CVE-2026-114613
- https://github.com/msgpack/msgpack-python/commit/620b0eb4c89cd72d4098564537624d9dbb2ce141
- https://github.com/msgpack/msgpack-python
- https://github.com/msgpack/msgpack-python/releases/tag/v1.2.3
- CVE-2026-114613