CVE-2017-2296: Puppet Enterprise

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting characters as Classifier node group names or RBAC role display names causes errors, effectively causing a DOS to the service. This was resolved in Puppet Enterprise 2017.2.2.

Affected products

• Puppet Puppet Enterprise: version 2017.1.0 only; version 2017.1.1 only; version 2017.2.1 only

Published 2018-02-01. Last modified 2026-06-17.