Vulnerability index

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Dnsserver MEDIUM 6.5
CVE-2026-42255

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.

Fix: 15.0+
Fix from $1,600 2026-04-26
Dnsserver HIGH 7.5
CVE-2025-50334

An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component

Fix: 14.0+
Fix from $1,950 2026-01-08
Dnsserver HIGH 7.5
CVE-2024-56089

An issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fake responses by reviving the birthday a…

Fix: after 13.2.2
Fix from $1,950 2025-12-01
Dnsserver MEDIUM 5.3
CVE-2024-56946

Denial of service in DNS-over-QUIC in Technitium DNS Server <= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-…

Fix: 13.3+
Fix from $1,600 2025-02-03
Dnsserver HIGH 7.5
CVE-2023-28455

An issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query loop using Technitium resolvers, launch…

Fix: after 11.0.2
Fix from $1,950 2024-09-18
Dnsserver HIGH 7.5
CVE-2023-28456

An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times more than other "golden model" so…

Fix: after 11.0.2
Fix from $1,950 2024-09-18
Dnsserver HIGH 7.5
CVE-2023-28457

An issue was discovered in Technitium through 11.0.3. It enables attackers to conduct a DNS cache poisoning attack and inject fake responses within 1…

Fix: after 11.0.3
Fix from $1,950 2024-09-18
Dnsserver HIGH 7.5
CVE-2023-49203

Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation…

Mitigation only
Fix from $1,950 2024-09-18
Dnsserver HIGH 7.5
CVE-2023-28451

An issue was discovered in Technitium 11.0.2. There is a vulnerability (called BadDNS) in DNS resolving software, which triggers a resolver to ignore…

Mitigation only
Fix from $1,950 2024-09-18
Dns Server HIGH 7.5
CVE-2022-48256

Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.

Fix: 10.0+
Fix from $1,950 2023-01-13
Dns Server CRITICAL 9.8
CVE-2022-30258

An issue was discovered in Technitium DNS Server through 8.0.2 that allows variant V2 of unintended domain name resolution. A revoked domain name can…

Fix: after 8.0.2
Fix from $2,300 2022-11-21
Dns Server CRITICAL 9.8
CVE-2022-30257

An issue was discovered in Technitium DNS Server through 8.0.2 that allows variant V1 of unintended domain name resolution. A revoked domain name can…

Fix: after 8.0.2
Fix from $2,300 2022-11-21