Powerdns · Powerdns Authoritative Server · CVE-2021-36754
**Name of the Vulnerable Software and Affected Versions**
PowerDNS Authoritative Server versions 4.5.0 through 4.5.0
**Description**
The issue allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.
**Recommendations**
For PowerDNS Authoritative Server version 4.5.0, update to version 4.5.1 to resolve the issue.