CVE-2023-4912

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-4912", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2023-09-12T13:30:21.852Z", "datePublished": "2023-12-01T07:01:48.155Z", "dateUpdated": "2026-04-30T04:06:57.160Z"}, "containers": {"cna": {"title": "Allocation of Resources Without Limits or Throttling in GitLab", "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "10.5", "status": "affected", "lessThan": "16.4.3", "versionType": "semver"}, {"version": "16.5", "status": "affected", "lessThan": "16.5.3", "versionType": "semver"}, {"version": "16.6", "status": "affected", "lessThan": "16.6.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"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/424882", "name": "GitLab Issue #424882", "tags": ["issue-tracking", "permissions-required"]}, {"url": "https://hackerone.com/reports/2137421", "name": "HackerOne Bug Bounty Report #2137421", "tags": ["technical-description", "exploit", "permissions-required"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 2.6, "baseSeverity": "LOW"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above."}], "credits": [{"lang": "en", "value": "Thanks [toukakirishima](https://hackerone.com/toukakirishima) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T04:06:57.160Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:44:52.047Z"}, "title": "CVE Program Container", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882", "name": "GitLab Issue #424882", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://hackerone.com/reports/2137421", "name": "HackerOne Bug Bounty Report #2137421", "tags": ["technical-description", "exploit", "x_transferred"]}]}]}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "versions": [{"lessThan": "16.4.3", "status": "affected", "version": "10.5", "versionType": "semver"}, {"lessThan": "16.5.3", "status": "affected", "version": "16.5", "versionType": "semver"}, {"lessThan": "16.6.1", "status": "affected", "version": "16.6", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "582A4F39-AFFB-4F2F-AEEE-DE4CFF955576", "versionEndExcluding": "16.4.3", "versionStartIncluding": "10.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "6B77E904-2562-4F78-A787-7F51871054BA", "versionEndExcluding": "16.5.3", "versionStartIncluding": "16.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "8D5674D6-E26B-4F62-9B59-C15DEEDDB4B1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en GitLab EE que afecta a todas las versiones desde 10.5 anteriores a 16.4.3, todas las versiones desde 16.5 anteriores a 16.5.3, todas las versiones desde 16.6 anteriores a 16.6.1. Era posible que un atacante provocara una denegaci\u00f3n de servicio en el lado del cliente utilizando una entrada de diagrama de sirena manipulada con fines maliciosos."}], "id": "CVE-2023-4912", "lastModified": "2026-06-17T06:38:53.093", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.6, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 1.4, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-01T07:15:11.387", "references": [{"source": "cve@gitlab.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/2137421"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/424882"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/2137421"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "cve@gitlab.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}