GHSA-h9q6-hc68-35rp
High · 7.5Denial of service in github.com/shamaton/msgpack
CVSS
7.5
EPSS
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Published
Mar 18, 2026
CISA due date
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The record
The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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