MS
Product
msgpack-python
by msgpack · last CVE Oct 22, 2026
2
CVEs
0
On KEV
7.5
Max CVSS
1
New 30D
Severity mix
Critical 0High 2Medium 0Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-114613
7.5
0%
Oct 22
MessagePack: Unbounded memory leak in msgpack C extension on strict_map_key validation failure
Affected: < 1.2.3
CVE-2026-57585
7.5
0%
Jun 30
MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error
Affected: < 1.2.1
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