Daniel Drown

**Name of the Vulnerable Software and Affected Versions** PowerDNS versions prior to 2.9.21.2 **Description** The issue allows remote attackers to cause a denial of service, resulting in the daemon crashing when a CH HINFO query is sent. This can be exploited by sending a specific query to the PowerDNS server, causing it to terminate abnormally. **Recommendations** For PowerDNS versions prior to 2.9.21.2, update to version 2.9.21.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the CH HINFO query to minimize the risk of exploitation.