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    "cveMetadata": {
        "cveId": "CVE-2023-5963",
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "state": "PUBLISHED",
        "assignerShortName": "GitLab",
        "dateReserved": "2023-11-06T12:18:51.359Z",
        "datePublished": "2023-11-06T12:18:56.276Z",
        "dateUpdated": "2026-06-04T04:09:15.482Z"
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    "containers": {
        "cna": {
            "title": "Allocation of Resources Without Limits or Throttling in GitLab",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An issue has been discovered in GitLab EE with Advanced Search affecting all versions from 13.9 to 16.3.6, 16.4 prior to 16.4.2 and 16.5 prior to 16.5.1 that could allow a denial of service in the Advanced Search function by chaining too many syntax operators."
                }
            ],
            "affected": [
                {
                    "vendor": "GitLab",
                    "product": "GitLab",
                    "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
                    "cpes": [
                        "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
                    ],
                    "versions": [
                        {
                            "version": "13.9",
                            "status": "affected",
                            "lessThan": "16.3.6",
                            "versionType": "semver"
                        },
                        {
                            "version": "16.4.0",
                            "status": "affected",
                            "lessThan": "16.4.2",
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                            "version": "16.5.0",
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                    "defaultStatus": "unaffected"
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            ],
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                            "lang": "en",
                            "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
                            "cweId": "CWE-770",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/423468",
                    "name": "GitLab Issue #423468",
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "LOW",
                        "baseScore": 3.1,
                        "baseSeverity": "LOW"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to version 16.3.6, 16.4.2, 16.5.1 or above."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "This vulnerability was found internally by GitLab.",
                    "type": "finder"
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                "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
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                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/423468",
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                            "content": {
                                "timestamp": "2024-08-29T20:45:18.819304Z",
                                "id": "CVE-2023-5963",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
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