{"id":"BIT-gitlab-2023-6688","summary":"Inefficient Regular Expression Complexity in GitLab","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.11 prior to 16.11.2. A problem with the processing logic for Google Chat Messages integration may lead to a regular expression DoS attack on the server.","aliases":["CVE-2023-6688"],"modified":"2025-05-20T10:02:07.006Z","published":"2024-05-24T07:28:37.252Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:community:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:enterprise:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]},"references":[{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/434854"},{"type":"WEB","url":"https://hackerone.com/reports/2270362"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6688"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Bitnami","purl":"pkg:bitnami/gitlab"},"ranges":[{"type":"SEMVER","events":[{"introduced":"16.11.0"},{"fixed":"16.11.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2023-6688.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.7.3"}