CVE-2026-32284
Denial of service in github.com/shamaton/msgpack
- State
- Published
- Severity
- 7.5 High
- Published
- Mar 26, 2026
- Updated
- Oct 7, 2026
- Reserved
- Mar 11, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
github.com/shamaton/msgpackgithub.com/shamaton/msgpack | |
github.com/shamaton/msgpack/v2github.com/shamaton/msgpack/v2 |
|
github.com/shamaton/msgpack/v3github.com/shamaton/msgpack/v3 |
|
References
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