Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Technitium | DNS Server | < 15.0 | 15.0 |
Advisories 1
- VA-26-138-02 Technitium DNS Amplification CISA ICS & IT advisories · May 19, 2026