{"id":"CVE-2023-1894","details":"A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.","modified":"2026-03-14T11:57:54.927518Z","published":"2023-05-04T23:15:08.763Z","references":[{"type":"ADVISORY","url":"https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/puppetlabs/puppetserver","events":[{"introduced":"0"},{"last_affected":"a74dd5083621161cc633354aa91553d909244521"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"7.9.2"}]}}],"versions":["1.2.0","2.0.0-rc3","2.1.x-backup","2.3.2","2.4.0","2.5.0","2.6.0","2.6.1","2.7.0","2.7.1","2.7.2","2.8.0","2.8.1","5.0.0","5.1.0","5.1.1","5.1.2","5.1.3","5.1.4","5.1.5","5.1.6","5.2.0","5.3.0","5.3.1","5.3.10","5.3.11","5.3.12","5.3.13","5.3.14","5.3.15","5.3.16","5.3.2","5.3.3","5.3.4","5.3.5","5.3.6","5.3.7","5.3.8","5.3.9","6.0.0","6.0.1","6.0.2","6.0.3","6.0.4","6.0.5","6.1.0","6.10.0","6.11.0","6.11.1","6.12.0","6.12.1","6.12.2","6.13.0","6.14.0","6.14.1","6.15.0","6.15.1","6.15.2","6.15.3","6.16.0","6.16.1","6.17.0","6.17.1","6.18.0","6.19.0","6.2.0","6.2.1","6.20.0","6.3.0","6.3.1","6.3.2","6.3.3","6.4.0","6.5.0","6.6.0","6.7.0","6.7.1","6.7.2","6.8.0","6.9.0","6.9.2","7.0.0","7.0.1","7.0.2","7.0.3","7.1.0","7.1.1","7.1.2","7.2.0","7.2.1","7.3.0","7.4.0","7.4.1","7.4.2","7.5.0","7.6.0","7.6.1","7.7.0","7.8.0","7.9.0","7.9.1","7.9.2","jvm-puppet-0.1.2","jvm-puppet-0.1.3","jvm-puppet-0.1.4","jvm-puppet-0.1.5","jvm-puppet-0.1.6","puppet-server-0.1.10","puppet-server-0.1.11","puppet-server-0.1.12","puppet-server-0.1.13","puppet-server-0.1.14","puppet-server-0.1.15","puppet-server-0.1.16","puppet-server-0.1.7","puppet-server-0.1.8","puppet-server-0.1.9","puppet-server-0.2.0","puppet-server-0.2.1","puppet-server-0.2.2","puppet-server-0.3.0","puppet-server-0.4.0","puppet-server-0.4.1","puppet-server-1.0.0","puppet-server-1.0.1","puppet-server-1.0.2","puppet-server-1.0.3","puppet-server-1.0.8","puppet-server-1.1.0","puppet-server-1.1.1","puppet-server-1.1.2","puppet-server-1.1.3","puppet-server-1.2.0","puppet-server-2.0.0","puppet-server-2.1.0","puppet-server-2.1.1","puppet-server-2.1.2","puppet-server-2.1.3-alpha1","puppet-server-2.2.0","puppet-server-2.2.1","puppet-server-2.3.0","puppet-server-2.3.1","puppet-server-2.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1894.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2021.7.1"}]},{"events":[{"introduced":"0"},{"last_affected":"2023.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}