CVE-2026-32284

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Source
https://cve.org/CVERecord?id=CVE-2026-32284
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-32284.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-32284
Aliases
Downstream
CGA (2)
openSUSE (1)
SUSE (1)
Related
Published
2026-03-26T19:40:51Z
Modified
2026-10-16T02:35:28Z
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 
{
    "cna_assigner":  "Go",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32284.json"
}
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
Fixed
ee0de4b9023bedc19b2b7623bc3b849d232d6d8a
Fixed
014715d0f53e6f4d505e06d9e5ebef6228828ca2
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "2.4.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "3.1.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        }
    ]
}

Affected versions

v3.*
v3.1.0

Database specific

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