CVE Catalog
CVE-2026-45557
MediumCVSS 5.8Exploitation Probability (EPSS)
Low risk0.39%
31th percentile - higher than 31% of all known CVEs
Summary
Technitium DNS Server before version 15.0 aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker controlling a domain can cause excessive network traffic.
Risk Assessment
An attacker can exploit this to perform a DoS attack by generating excessive network traffic, potentially overloading the server and network.
Recommendation
Upgrade Technitium DNS Server to version 15.0 or later.
Original NVD description (English source)
Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.