CVE-2023-3364

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-3364", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2023-06-22T07:15:42.079Z", "datePublished": "2023-08-01T23:36:00.662Z", "dateUpdated": "2025-11-20T04:07:18.275Z"}, "containers": {"cna": {"title": "Inefficient Regular Expression Complexity in GitLab", "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "8.14", "status": "affected", "lessThan": "16.0.8", "versionType": "semver"}, {"version": "16.1", "status": "affected", "lessThan": "16.1.3", "versionType": "semver"}, {"version": "16.2", "status": "affected", "lessThan": "16.2.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1333: Inefficient Regular Expression Complexity", "cweId": "CWE-1333", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995", "name": "GitLab Issue #415995", "tags": ["issue-tracking"]}, {"url": "https://hackerone.com/reports/1959727", "name": "HackerOne Bug Bounty Report #1959727", "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:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above."}], "credits": [{"lang": "en", "value": "Thanks [ryhmnlfj](https://hackerone.com/ryhmnlfj) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2025-11-20T04:07:18.275Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:55:02.657Z"}, "title": "CVE Program Container", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995", "name": "GitLab Issue #415995", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://hackerone.com/reports/1959727", "name": "HackerOne Bug Bounty Report #1959727", "tags": ["technical-description", "exploit", "x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-08-30T14:22:23.720889Z", "id": "CVE-2023-3364", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-30T14:22:57.889Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995", "name": "GitLab Issue #415995", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://hackerone.com/reports/1959727", "name": "HackerOne Bug Bounty Report #1959727", "tags": ["technical-description", "exploit", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:55:02.657Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3364", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-08-30T14:22:23.720889Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-30T14:22:50.340Z"}}], "cna": {"title": "Inefficient Regular Expression Complexity in GitLab", "credits": [{"lang": "en", "type": "finder", "value": "Thanks [ryhmnlfj](https://hackerone.com/ryhmnlfj) for reporting this vulnerability through our HackerOne bug bounty program"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": "8.14", "lessThan": "16.0.8", "versionType": "semver"}, {"status": "affected", "version": "16.1", "lessThan": "16.1.3", "versionType": "semver"}, {"status": "affected", "version": "16.2", "lessThan": "16.2.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above."}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995", "name": "GitLab Issue #415995", "tags": ["issue-tracking"]}, {"url": "https://hackerone.com/reports/1959727", "name": "HackerOne Bug Bounty Report #1959727", "tags": ["technical-description", "exploit", "permissions-required"]}], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1333", "description": "CWE-1333: Inefficient Regular Expression Complexity"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2025-11-20T04:07:18.275Z"}}}, "cveMetadata": {"cveId": "CVE-2023-3364", "state": "PUBLISHED", "dateUpdated": "2025-11-20T04:07:18.275Z", "dateReserved": "2023-06-22T07:15:42.079Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2023-08-01T23:36:00.662Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"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": "16.0.8", "status": "affected", "version": "8.14", "versionType": "semver"}, {"lessThan": "16.1.3", "status": "affected", "version": "16.1", "versionType": "semver"}, {"lessThan": "16.2.2", "status": "affected", "version": "16.2", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "96C16180-BCE3-49C6-8802-7B4AAA6438EF", "versionEndExcluding": "16.0.8", "versionStartIncluding": "8.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "CC5FEFB6-F11C-4BAA-8A53-29B563F0B234", "versionEndExcluding": "16.0.8", "versionStartIncluding": "8.14", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "5866BCA4-7C2D-4808-84FE-310E5D23454F", "versionEndExcluding": "16.1.3", "versionStartIncluding": "16.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "F3157827-C742-45E6-B301-AD19559B1990", "versionEndExcluding": "16.1.3", "versionStartIncluding": "16.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "B5F4AA39-7E7A-4BF9-BF67-A7317308314A", "versionEndExcluding": "16.2.2", "versionStartIncluding": "16.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "08D3BB71-01AC-47D7-ADD8-9D4EF67E66ED", "versionEndExcluding": "16.2.2", "versionStartIncluding": "16.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint."}, {"lang": "es", "value": "Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones a partir de la 8.14 antes de la 16.0.8, a todas las versiones a partir de la 16.1 antes de la 16.1.3, a todas las versiones a partir de la 16.2 antes de la 16.2.2. Una Denegaci\u00f3n de Servicio de Expresi\u00f3n Regular era posible a trav\u00e9s del env\u00edo de payloads crafteados que utilizan AutolinkFilter al endpoint preview_markdown.\n"}], "id": "CVE-2023-3364", "lastModified": "2026-06-17T06:13:54.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-3364", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-08-30T14:22:23.720889Z", "version": "2.0.3"}}]}, "published": "2023-08-02T00:15:18.467", "references": [{"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/1959727"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/415995"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/1959727"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1333"}], "source": "cve@gitlab.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-1333"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "gitlab: ReDoS when sending crafted payloads which use AutolinkFilter", "id": "2228517", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2228517"}, "csaw": false, "details": ["An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint."], "name": "CVE-2023-3364", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2023-08-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3364\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3364\nhttps://gitlab.com/gitlab-org/gitlab/-/issues/415995\nhttps://hackerone.com/reports/1959727"], "statement": "The GitLab package used in OpenShift is a GitLab API NodeJS library which is not affected by CVE-2023-3364.", "threat_severity": "Moderate"}

{}