CVE-2019-9658: Checkstyle

Medium severity, CVSS 5.3. EPSS: 3.6% chance of exploitation in the next 30 days.

Checkstyle before 8.18 loads external DTDs by default.

Affected products

• Checkstyle Checkstyle: before 8.18 (fixed in 8.18)
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 28 only; version 29 only

Published 2019-03-11. Last modified 2026-06-17.