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        "cveId": "CVE-2023-6159",
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "state": "PUBLISHED",
        "assignerShortName": "GitLab",
        "dateReserved": "2023-11-15T18:00:57.865Z",
        "datePublished": "2024-01-26T02:02:29.909Z",
        "dateUpdated": "2026-05-06T04:06:19.058Z"
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        "cna": {
            "title": "Inefficient Regular Expression Complexity in GitLab",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input."
                }
            ],
            "affected": [
                {
                    "vendor": "GitLab",
                    "product": "GitLab",
                    "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
                    "cpes": [
                        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
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                    "versions": [
                        {
                            "version": "12.7",
                            "status": "affected",
                            "lessThan": "16.6.6",
                            "versionType": "semver"
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                            "version": "16.7",
                            "status": "affected",
                            "lessThan": "16.7.4",
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                    "defaultStatus": "unaffected"
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                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-1333: Inefficient Regular Expression Complexity",
                            "cweId": "CWE-1333",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/"
                },
                {
                    "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/431924",
                    "name": "GitLab Issue #431924",
                    "tags": [
                        "issue-tracking",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://hackerone.com/reports/2251278",
                    "name": "HackerOne Bug Bounty Report #2251278",
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                    ]
                }
            ],
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM"
                    }
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            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to versions 16.8.1, 16.7.4, 16.6.6 or above."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program",
                    "type": "finder"
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            "providerMetadata": {
                "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
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                "references": [
                    {
                        "url": "https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/",
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                            "content": {
                                "timestamp": "2024-02-21T16:56:36.041200Z",
                                "id": "CVE-2023-6159",
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                                    {
                                        "Exploitation": "none"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
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