{"id":"CVE-2022-4131","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.","aliases":["BIT-gitlab-2022-4131"],"modified":"2026-09-11T03:48:13.882238724Z","published":"2023-01-12T00:00:00Z","database_specific":{"cna_assigner":"GitLab","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4131.json"},"references":[{"type":"WEB","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json"},{"type":"WEB","url":"https://hackerone.com/reports/1772063"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4131.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4131"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/383598"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"342f33beb2ce090cfabfd0a5e7327b78d04588bb"},{"fixed":"cf58d7f15063b90d57456039739fdd02b2fedad9"},{"introduced":"07a0843ad18ecb422cdc61bf3c2ef0a9dc58a209"},{"fixed":"996d1d78f253747ff19544431bb03c6caaa81141"},{"introduced":"bbf6efd2bedaef0d5c2112998a2a34534cc740bb"},{"fixed":"78771c4b9a08f2dfeb56eb685b5c36b8a725c57c"}],"database_specific":{"extracted_events":[{"introduced":"10.8"},{"fixed":"15.5.7"},{"introduced":"15.6"},{"fixed":"15.6.4"},{"introduced":"15.7"},{"fixed":"15.7.2"}],"source":"AFFECTED_FIELD"}}],"versions":["v15.7.1-ee","v15.6.3-ee","v15.7.0-ee","v15.6.2-ee","v15.6.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-4131.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}