{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-49761",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-1333: Inefficient Regular Expression Complexity",
                        "cweId": "CWE-1333"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "ruby",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "rexml",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 3.3.9"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m",
                "refsource": "MISC",
                "name": "https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m"
            },
            {
                "url": "https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f",
                "refsource": "MISC",
                "name": "https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f"
            },
            {
                "url": "https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761",
                "refsource": "MISC",
                "name": "https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-2rxp-v6pw-ch6m",
        "discovery": "UNKNOWN"
    }
}