Exploit for Integer Overflow or Wraparound in Zeromq Libzmq_E846E535-3E5E-56FB-8C24-2D5F2C2FFB56

{
    "lastseen": "2026-05-03T12:15:10",
    "description": "CVE-2019-6250 \u2014 libzmq pre-auth RCE lab End-to-end working RCE chain + reproducible lab for CVE-2019-6250, the pre-auth heap-buffer-overflow in libzmq's v2decodert::sizeready. A uint64t pointer-arithmetic overflow lets an unauthenticated peer overwrite...",
    "published": "2026-05-03T12:10:50",
    "modified": "2026-05-03T12:10:58",
    "type": "githubexploit",
    "title": "Exploit for Integer Overflow or Wraparound in Zeromq Libzmq",
    "source": "",
    "references": "",
    "id": "E846E535-3E5E-56FB-8C24-2D5F2C2FFB56",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [
        "CVE-2019-6250"
    ],
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 9,
        "severity": "HIGH",
        "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
        "version": "2.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "3.0",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "HIGH"
        }
    },
    "href": "https://github.com/dinosn/cve-2019-6250-lab",
    "category_name": "Exploit",
    "post_link": "",
    "product": "",
    "version": "",
    "vendor": "",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}