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Security: msgpack/msgpack-python
Security Advisories
View known security vulnerabilities and report new vulnerabilities privately to maintainers.
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Unbounded memory leak in msgpack C extension on strict_map_key validation failureGHSA-j586-36cw-2gc2 published
Sep 29, 2026 by methaneHigh -
Out-of-bounds read / crash on Unpacker reuse after a caught errorGHSA-6v7p-g79w-8964 published
Jun 19, 2026 by methaneHigh