{
    "CVE_data_meta": {
        "ASSIGNER": "cve-assign@fb.com",
        "DATE_ASSIGNED": "2020-12-11",
        "ID": "CVE-2020-1920",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Facebook",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "react-native",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "!>=",
                                            "version_value": "0.64.1"
                                        },
                                        {
                                            "version_affected": ">=",
                                            "version_value": "0.59.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-1333: Inefficient Regular Expression Complexity"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "name": "https://github.com/facebook/react-native/releases/tag/v0.64.1",
                "url": "https://github.com/facebook/react-native/releases/tag/v0.64.1"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7",
                "url": "https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7"
            }
        ]
    }
}