Shamaton: >> Msgpack >> 3.0.0 Security Vulnerabilities
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.
CVSS Score
7.5
EPSS Score
0.004
Published
2026-03-26