{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2023-2198",
        "ASSIGNER": "cve@gitlab.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "GitLab",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "GitLab",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">=8.7, <15.10.8"
                                        },
                                        {
                                            "version_value": ">=15.11, <15.11.7"
                                        },
                                        {
                                            "version_value": ">=16.0, <16.0.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Uncontrolled resource consumption in GitLab"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/408273",
                "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/408273",
                "refsource": "MISC"
            },
            {
                "name": "https://hackerone.com/reports/1947187",
                "url": "https://hackerone.com/reports/1947187",
                "refsource": "MISC"
            },
            {
                "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json",
                "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json",
                "refsource": "CONFIRM"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint."
            }
        ]
    },
    "impact": {
        "cvss": {
            "vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Thanks [ryhmnlfj](https://hackerone.com/ryhmnlfj) for reporting this vulnerability through our HackerOne bug bounty program"
        }
    ]
}