{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-13822",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "url": "https://www.npmjs.com/package/elliptic",
                "refsource": "MISC",
                "name": "https://www.npmjs.com/package/elliptic"
            },
            {
                "url": "https://github.com/indutny/elliptic/issues/226",
                "refsource": "MISC",
                "name": "https://github.com/indutny/elliptic/issues/226"
            },
            {
                "url": "https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/",
                "refsource": "MISC",
                "name": "https://yondon.blog/2019/01/01/how-not-to-use-ecdsa/"
            },
            {
                "url": "https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4",
                "refsource": "MISC",
                "name": "https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4"
            }
        ]
    }
}