{"id":"CVE-2022-4131","aliases":["BIT-gitlab-2022-4131","EUVD-2022-51496","GHSA-f8ww-p9xj-cm59","UBUNTU-CVE-2022-4131"],"status":"published","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15...","description":"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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00865,"percentile":0.58953,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333"],"published":"2023-01-12T00:00:00Z","modified":"2026-10-30T10:46:24Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["15.5.7","15.6.4","15.7.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"10.8.0"},{"fixed":"15.5.7"},{"introduced":"15.6.0"},{"fixed":"15.6.4"},{"introduced":"15.7.0"},{"fixed":"15.7.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/383598","tags":["x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/1772063","tags":["x_transferred","Permissions Required","Third Party Advisory","advisory","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json","tags":["x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4131","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-f8ww-p9xj-cm59"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4131.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-4131","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-4131","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-4131","description":"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.","status":"published","published":"2023-01-12T00:00:00Z","modified":"2025-04-08T16:27:37.24Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:34:37.932195Z"}],"euvd":[{"id":"EUVD-2022-51496","description":"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.","status":"published","published":"2023-01-12T00:00:00Z","modified":"2025-04-08T16:27:37Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:39.54776Z"}],"ghsa":[{"id":"GHSA-f8ww-p9xj-cm59","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15...","description":"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.","status":"published","published":"2023-01-12T06:30:24Z","modified":"2023-02-03T05:04:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:53:33.273438Z"}],"nvd":[{"id":"CVE-2022-4131","description":"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.","status":"published","published":"2023-01-12T04:15:10.107Z","modified":"2026-06-17T05:20:02.44Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:07:35.157734Z"}],"osv":[{"id":"CVE-2022-4131","description":"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.","status":"published","published":"2023-01-12T00:00:00Z","modified":"2026-10-30T10:46:24.174295734Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:26.860704Z"},{"id":"UBUNTU-CVE-2022-4131","description":"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.","status":"published","published":"2023-01-12T04:15:00Z","modified":"2025-10-24T04:53:17Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T16:53:55.502114Z"},{"id":"BIT-gitlab-2022-4131","description":"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.","status":"published","published":"2024-03-06T11:13:29.674Z","modified":"2026-09-10T16:01:34.315045092Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}