MEDIUM
Technitium
CVE published 2026-05-19
CVE-2026-45557
CVE-2026-45557 is a denial-of-service issue in Technitium DNS Server where the resolver aggressively retries fetching missing RRSIG records or mismatched DNSKEY records. A domain controlled by an attacker can make a vulnerable system generate excessive network traffic. The vendor fix is in version 15.0.