{"id":"CVE-2023-6736","summary":"Inefficient Regular Expression Complexity in GitLab","details":"An issue has been discovered in GitLab EE affecting all versions starting from 11.3 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted content in the CODEOWNERS file.","aliases":["BIT-gitlab-2023-6736"],"modified":"2026-02-18T03:45:34.592349Z","published":"2024-02-07T22:02:30.947Z","database_specific":{"cwe_ids":["CWE-1333"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6736.json","cna_assigner":"GitLab"},"references":[{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6736.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/435036"},{"type":"REPORT","url":"https://hackerone.com/reports/2269023"},{"type":"ARTICLE","url":"https://hackerone.com/reports/2269023"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/2269023"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6736"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"1bbe39452664021af90851aef8527ce5e850343e"},{"fixed":"c8f3448a2f0cfb3c812fc4619e0f16bc3feb133b"}],"database_specific":{"versions":[{"introduced":"11.3"},{"fixed":"16.7.6"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"1e912d57d5a8f1135f4d41e25469069790134d41"},{"fixed":"39213e8fab4a70aa7cf64bb1c75012bb11fd7b15"}],"database_specific":{"versions":[{"introduced":"16.8"},{"fixed":"16.8.3"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"76326ae8b898b38c8217ad037ed7122be00e62f0"},{"fixed":"cc62007c12dc634c7442a9b1dc94508e50e5dba5"}],"database_specific":{"versions":[{"introduced":"16.9"},{"fixed":"16.9.1"}]}}],"versions":["11-10-0cfa69752d8-0d9531c80-ee","11-10-0cfa69752d8-74ffd66ae-ee","11-10-119f9509d50-6d7537235-ee","v11.3.0.pre","v16.7.0-ee","v16.7.0-rc42-ee","v16.7.0-rc43-ee","v16.7.0-rc44-ee","v16.7.2-ee","v16.7.3-ee","v16.7.4-ee","v16.7.5-ee","v16.8.0-ee","v16.8.1-ee","v16.8.2-ee","v16.9.0-ee","v16.9.0-rc44-ee","v6.0.0-ee","v6.0.0-ee.beta","v6.0.0-ee.rc1","v6.1.0-ee","v6.2.1","v6.2.2","v6.3.0-ee","v6.3.1-ee","v6.4.0-ee","v6.4.1","v6.4.2","v6.4.3","v6.5.0-ee","v6.5.1","v6.6.0-ee","v6.6.1","v6.6.2","v6.7.0-ee","v6.7.0.rc1-ee","v6.7.1","v6.7.2","v6.8.0-ee","v6.8.1","v7.0.0-ee","v7.1.0-ee","v7.1.0.rc1-ee","v7.2.0.rc1-ee","v7.2.0.rc2-ee","v7.2.0.rc3-ee","v7.2.0.rc4-ee","v7.2.0.rc5-ee","v7.3.0-ee","v7.3.0.rc1-ee","v7.4.0-ee","v7.4.1-ee","v7.4.2-ee","v7.4.3-ee","v7.4.4-ee","v8.11.0","v8.11.0-ee","v8.11.0-rc1","v8.11.0-rc1-ee","v8.11.0-rc2","v8.11.0-rc2-ee","v8.11.0-rc3","v8.11.0-rc3-ee","v8.11.0-rc4","v8.11.0-rc4-ee","v8.11.0-rc5","v8.11.0-rc5-ee","v8.11.0-rc6","v8.11.0-rc6-ee","v8.11.0-rc7","v8.11.0-rc7-ee","v8.11.1","v8.12.0","v8.12.0-ee","v8.12.0-rc1","v8.12.0-rc1-ee","v8.12.0-rc2","v8.12.0-rc2-ee","v8.12.0-rc3","v8.12.0-rc3-ee","v8.12.0-rc4","v8.12.0-rc4-ee","v8.12.0-rc5","v8.12.0-rc5-ee","v8.12.0-rc6","v8.12.0-rc6-ee","v8.12.0-rc7","v8.12.0-rc7-ee","v8.12.0.pre","v8.12.1","v8.12.1-ee","v8.12.2","v8.12.2-ee","v8.12.3-ee","v8.2.0-ee","v8.2.0.rc1","v8.2.0.rc1-ee","v8.2.0.rc2","v8.2.0.rc2-ee","v8.8.0","v8.8.0-ee","v8.8.0-rc1","v8.8.0-rc1-ee","v8.8.0-rc2","v8.8.0-rc2-ee","v8.8.1-ee"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6736.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}