{"id":"CVE-2021-39914","details":"A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user","aliases":["BIT-gitlab-2021-39914"],"modified":"2026-08-27T19:00:26.420553Z","published":"2021-11-04T23:15:10.183Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/289948"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"294482f38388542b43b908dcb427759544a7486f"},{"fixed":"9ed95b96a6766af9336048a63a29b678f88a9413"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"fixed":"3e776d83389c706fb81973736e57ca6a6fb952fc"},{"introduced":"19c719febd74b6edf549bf6a2c0e36bf8f176d56"},{"last_affected":"19c719febd74b6edf549bf6a2c0e36bf8f176d56"}],"database_specific":{"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"8.13.0"},{"fixed":"14.2.6"},{"introduced":"14.3.0"},{"fixed":"14.3.4"},{"introduced":"14.4.0"},{"last_affected":"14.4.0"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["14.4.0","v14.3.2-ee","v14.4.0-ee","v14.3.3-ee","v14.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39914.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"}]}