CVE-2026-32284

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Source
https://cve.org/CVERecord?id=CVE-2026-32284
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32284.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-32284
Aliases
Downstream
Related
Published
2026-03-26T19:40:51.686Z
Modified
2026-07-08T07:45:35.180539702Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Denial of service in github.com/shamaton/msgpack
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32284.json",
    "cna_assigner": "Go"
}
References

Affected packages

Git / github.com/shamaton/msgpack

Affected ranges

Type
GIT
Repo
https://github.com/shamaton/msgpack
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a605fc6e40e4e17041a2d090cbd94f3966b57605
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:shamaton:msgpack:*:*:*:*:*:go:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.1.2"
        }
    ]
}

Affected versions

v3.*
v3.1.0
v3.1.1
v3.1.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32284.json"