libp2p: Memory DoS via subscription flood of unique topics_CVE-2026-46679

{
    "lastseen": "",
    "description": "libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23.",
    "published": "2026-06-10T21:08:52.464Z",
    "modified": "2026-06-10T21:08:52.464Z",
    "type": "cve",
    "title": "libp2p: Memory DoS via subscription flood of unique topics",
    "source": "GitHub_M",
    "references": "https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv",
    "id": "CVE-2026-46679",
    "bulletinFamily": "",
    "cwe": [
        "CWE-20",
        "CWE-400",
        "CWE-401"
    ],
    "cvelist": null,
    "sourceData": "libp2p js-libp2p < 15.0.23",
    "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": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "js-libp2p",
    "version": "< 15.0.23",
    "vendor": "libp2p",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}