Denial of service in github.com/shamaton/msgpack_CVE-2026-32284

{
    "lastseen": "",
    "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.",
    "published": "2026-03-26T19:40:51.686Z",
    "modified": "2026-03-30T14:55:25.762Z",
    "type": "cve",
    "title": "Denial of service in github.com/shamaton/msgpack",
    "source": "Go",
    "references": "https://github.com/shamaton/msgpack/issues/59\nhttps://github.com/golang/vulndb/issues/4513\nhttps://pkg.go.dev/vuln/GO-2026-4513",
    "id": "CVE-2026-32284",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "github.com/shamaton/msgpack",
    "version": "",
    "vendor": "github.com/shamaton/msgpack",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
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    "ai_score": 0
}