{"id":"CVE-2023-3424","summary":"Inefficient Regular Expression Complexity in GitLab","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.","aliases":["BIT-gitlab-2023-3424"],"modified":"2026-04-10T04:58:25.724032Z","published":"2023-07-13T02:08:07.284Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3424.json","cna_assigner":"GitLab","cwe_ids":["CWE-1333"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3424.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3424"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/409802"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/1960970"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"6369db0196ec7b6e288b16382c95243424a59b62"},{"fixed":"6d037533ce72e8b309efcb41b2801a3c8244789d"}],"database_specific":{"versions":[{"introduced":"10.3"},{"fixed":"15.11.10"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"280a09dbca836a6eedf5da1e63953fe8da44bf4c"},{"fixed":"1ca31874e42fbd4b99f6e3c9174a992c053c8e1b"}],"database_specific":{"versions":[{"introduced":"16.0"},{"fixed":"16.0.6"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"4961ad113f3afe23965ac12285eaab31315ab0c6"},{"fixed":"d3582d7719f503ba7e038a1b2e0443a89ddb6429"}],"database_specific":{"versions":[{"introduced":"16.1"},{"fixed":"16.1.1"}]}}],"versions":["v16.0.0-ee","v16.0.3-ee","v16.0.4-ee","v16.0.5-ee","v16.1.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3424.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}