CVE
CVE-2026-32284
Denial of service in github.com/shamaton/msgpack
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.
Package Versions Affected
Package Version
patch Availability
No items found.
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Detect compatible fix
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Resources
No items found.
References
https://nvd.nist.gov/vuln/detail/CVE-2026-32284, https://github.com/golang/vulndb/issues/4513, https://github.com/shamaton/msgpack/issues/59, https://github.com/shamaton/msgpack, https://pkg.go.dev/vuln/GO-2026-4513, https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026
Basic Information
Ecosystem
