{"id":"CVE-2023-2198","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.","aliases":["BIT-gitlab-2023-2198"],"modified":"2026-04-10T04:55:15.069899Z","published":"2023-06-07T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2198.json","cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json"},{"type":"WEB","url":"https://hackerone.com/reports/1947187"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2198.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2198"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/408273"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"666051c947d1c7797c8d06e91abe559e88842350"},{"fixed":"9ec5f337f9fecb932051eca4d24744475f25870e"}],"database_specific":{"versions":[{"introduced":"8.7"},{"fixed":"15.10.8"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"4dce6bc3728f63bc9086ff3088cda7527f6f0bec"},{"fixed":"a81364cc950ad7396dbe403a87bb398d52ca9994"}],"database_specific":{"versions":[{"introduced":"15.11"},{"fixed":"15.11.7"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"280a09dbca836a6eedf5da1e63953fe8da44bf4c"},{"fixed":"a1daac1686c9dad556b2fa9324f107fb72eae066"}],"database_specific":{"versions":[{"introduced":"16.0"},{"fixed":"16.0.2"}]}}],"versions":["v15.11.0-ee","v15.11.4-ee","v15.11.5-ee","v15.11.6-ee","v16.0.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2198.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"}]}