msgpack msgpack-python
2 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-114613 | < 1.2.3 | MessagePack: Unbounded memory leak in msgpack C extension on strict_map_key validation failure | HIGH 7.5 | 0.5 % | ||
| CVE-2026-57585 | < 1.2.1 | MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error | HIGH 7.5 | 0.5 % |