{"id":"CVE-2023-6682","summary":"Inefficient Regular Expression Complexity in GitLab","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. A problem with the processing logic for Discord Integrations Chat Messages can lead to a regular expression DoS attack on the server.","aliases":["BIT-gitlab-2023-6682"],"modified":"2026-04-02T09:52:14.298730Z","published":"2024-05-09T01:42:44.606Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6682.json","cna_assigner":"GitLab","cwe_ids":["CWE-1333"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6682.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6682"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/434821"},{"type":"REPORT","url":"https://hackerone.com/reports/2269012"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"76326ae8b898b38c8217ad037ed7122be00e62f0"},{"fixed":"6878f253b7b50c8e6217ebfd03717b5e5ea960a4"}],"database_specific":{"versions":[{"introduced":"16.9"},{"fixed":"16.9.7"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"053df647320e7cac5c255f9e07264a0c35548409"},{"fixed":"f5974fc8f24e7033135f5b0d4f77b68886b2e298"}],"database_specific":{"versions":[{"introduced":"16.10"},{"fixed":"16.10.5"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"22834294718a25956b0a859c8eed72248300eeee"},{"fixed":"d210b947e3e51eebcbb24a9152f5c68f7e2b1d58"}],"database_specific":{"versions":[{"introduced":"16.11"},{"fixed":"16.11.2"}]}}],"versions":["v16.10.0-ee","v16.10.1-ee","v16.10.2-ee","v16.10.3-ee","v16.10.4-ee","v16.11.0-ee","v16.11.1-ee","v16.9.0-ee","v16.9.0-rc44-ee","v16.9.1-ee","v16.9.2-ee","v16.9.3-ee","v16.9.4-ee","v16.9.5-ee","v16.9.6-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6682.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}