gcrypt-p256-malleability-poc_7BF97C3E-0EBE-5120-9CCD-54602646E69D

{
    "lastseen": "2026-01-09T05:28:29",
    "description": "libgcrypt p256 signature malleability proof-of-concept exploit via malformed DER-encoded signatures This PoC targets libgcrypt's compliance failure with ITU-T X.690, which enforces integers be two's complement. A positive integer with a high bit set...",
    "published": "2026-01-09T05:16:15",
    "modified": "2026-01-09T05:22:16",
    "type": "githubexploit",
    "title": "gcrypt-p256-malleability-poc",
    "source": "",
    "references": "",
    "id": "7BF97C3E-0EBE-5120-9CCD-54602646E69D",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [],
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 0,
        "severity": "NONE",
        "vector": "NONE",
        "version": "NONE"
    },
    "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": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "https://github.com/JakeGinesin/gcrypt-p256-malleability-poc",
    "category_name": "Exploit",
    "post_link": "",
    "product": "",
    "version": "",
    "vendor": "",
    "ai_description": "",
    "ai_severity": "",
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    "ai_score": 0
}