Disclosure summary
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.
Source-reported weakness categories
CWE-125
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-32284
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| shamaton | msgpack | * {"versionEndIncluding":"3.1.2"} |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Issue Tracking, Third Party Advisory
- github.com — Issue Tracking, Vendor Advisory
- pkg.go.dev — Third Party Advisory
- securityinfinity.com — Exploit, Third Party Advisory
PUBLISHED 2026-03-26T16:16:12-04:00
MODIFIED 2026-10-07T14:17:20-04:00
INGESTED 2026-10-08T12:40:21-04:00