Volodymyr Ilyin

**Name of the Vulnerable Software and Affected Versions** PowerDNS Recursor versions 5.2.0 **Description** An attacker can publish a zone containing specific Resource Record Sets, leading to illegal memory accesses and a crash of the Recursor, causing a denial of service. The issue is related to the processing and caching of these sets. **Recommendations** For PowerDNS Recursor version 5.2.0, upgrade to the patched 5.2.1 version.