Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input_CVE-2026-33891

{
    "lastseen": "",
    "description": "Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, a Denial of Service (DoS) vulnerability exists in the node-forge library due to an infinite loop in the BigInteger.modInverse() function (inherited from the bundled jsbn library). When modInverse() is called with a zero value as input, the internal Extended Euclidean Algorithm enters an unreachable exit condition, causing the process to hang indefinitely and consume 100% CPU. Version 1.4.0 patches the issue.",
    "published": "2026-03-27T20:43:37.725Z",
    "modified": "2026-03-30T15:38:12.388Z",
    "type": "cve",
    "title": "Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input",
    "source": "GitHub_M",
    "references": "https://github.com/digitalbazaar/forge/security/advisories/GHSA-5m6q-g25r-mvwx\nhttps://github.com/digitalbazaar/forge/commit/9bb8d67b99d17e4ebb5fd7596cd699e11f25d023",
    "id": "CVE-2026-33891",
    "bulletinFamily": "",
    "cwe": [
        "CWE-835"
    ],
    "cvelist": null,
    "sourceData": "digitalbazaar forge < 1.4.0",
    "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": [],
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        "baseScore": 0,
        "baseSeverity": "",
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        "privilegesRequired": "",
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        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "forge",
    "version": "< 1.4.0",
    "vendor": "digitalbazaar",
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    "ai_score": 0
}