{"id":"CVE-2023-0921","aliases":["BIT-gitlab-2023-0921","EUVD-2023-12908","GHSA-p96p-59v7-xxp6","UBUNTU-CVE-2023-0921"],"status":"published","title":"Allocation of Resources Without Limits or Throttling in GitLab","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","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":"2026-11-11","score":0.84438,"percentile":0.99705,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2023-06-06T00:00:00Z","modified":"2026-10-28T02:31:13Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["15.10.8","15.11.7","16.0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"8.3.0"},{"fixed":"15.10.8"},{"introduced":"15.11.0"},{"fixed":"15.11.7"},{"introduced":"16.0.0"},{"fixed":"16.0.2"}]}]},{"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/392433","tags":["x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"https://hackerone.com/reports/1869839","tags":["x_transferred","Permissions Required","Third Party Advisory","advisory","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0921.json","tags":["x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0921","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-p96p-59v7-xxp6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0921.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-0921","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-0921","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-0921","title":"Allocation of Resources Without Limits or Throttling in GitLab","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-07T21:51:37.372Z","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-770"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-12908","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-07T21:51:37Z","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":"2026-11-03T00:04:24.370175Z"}],"ghsa":[{"id":"GHSA-p96p-59v7-xxp6","title":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11...","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T18:30:20Z","modified":"2024-10-03T09:30:31Z","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"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:58:23.554604Z"}],"nvd":[{"id":"CVE-2023-0921","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T17:15:12.747Z","modified":"2026-06-17T05:26:38.463Z","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":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":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"CVE-2023-0921","title":"Allocation of Resources Without Limits or Throttling in GitLab","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2026-10-28T02:31:13.663919468Z","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"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:44:29.487253Z"},{"id":"UBUNTU-CVE-2023-0921","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2023-06-06T17:15:00Z","modified":"2025-10-24T05:01:06Z","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"},{"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":"2026-11-02T16:54:18.756095Z"},{"id":"BIT-gitlab-2023-0921","title":"Allocation of Resources Without Limits or Throttling in GitLab","description":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","status":"published","published":"2024-03-06T11:11:49.396Z","modified":"2026-09-08T08:47:42.418440247Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}