{"schema_version":"1.7.5","id":"CVE-2023-1894","published":"2023-05-04T23:15:08.763Z","modified":"2026-07-08T07:34:17.272442207Z","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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/puppetlabs/puppetserver","events":[{"introduced":"a74dd5083621161cc633354aa91553d909244521"},{"last_affected":"a74dd5083621161cc633354aa91553d909244521"}],"database_specific":{"cpe":"cpe:2.3:a:puppet:puppet_server:7.9.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.9.2"},{"last_affected":"7.9.2"}],"source":"CPE_STRING"}}],"versions":["7.9.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1894.json"}}],"references":[{"type":"ADVISORY","url":"https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:puppet:puppet_enterprise:2021.7.1:*:*:*:*:*:*:*","cpe:2.3:a:puppet:puppet_enterprise:2023.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2021.7.1"},{"last_affected":"2021.7.1"},{"introduced":"2023.0"},{"last_affected":"2023.0"}],"source":"CPE_STRING","vendor_product":"puppet:puppet_enterprise"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}