Dnsserver
by Technitium
Source repositories
CVEs (16)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2022-30258 | Cri | 0.64 | 9.8 | 0.01 | Nov 21, 2022 | 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 still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would… | ||
| CVE-2022-30257 | Cri | 0.64 | 9.8 | 0.01 | Nov 21, 2022 | 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 still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would… | ||
| CVE-2025-50334 | Hig | 0.49 | 7.5 | 0.01 | Jan 8, 2026 | An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component | ||
| CVE-2024-56089 | Hig | 0.49 | 7.5 | 0.00 | Dec 1, 2025 | 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 attack. | ||
| CVE-2023-49203 | Hig | 0.49 | 7.5 | 0.01 | Sep 18, 2024 | Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic. | ||
| CVE-2023-28457 | Hig | 0.49 | 7.5 | 0.00 | Sep 18, 2024 | 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 second, which is impactful. | ||
| CVE-2023-28456 | Hig | 0.49 | 7.5 | 0.01 | Sep 18, 2024 | An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times more than other "golden model" software like BIND) and cause potential DoS. | ||
| CVE-2023-28455 | Hig | 0.49 | 7.5 | 0.01 | Sep 18, 2024 | An issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query loop using Technitium resolvers, launching amplification attacks and causing potential DoS. | ||
| CVE-2023-28451 | Hig | 0.49 | 7.5 | 0.01 | Sep 18, 2024 | 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 valid responses, thus causing DoS (denial of service) for normal resolution. The effects of an exploit would be widespread and… | ||
| CVE-2022-48256 | Hig | 0.49 | 7.5 | 0.01 | Jan 13, 2023 | 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. | ||
| CVE-2026-42255 | Hig | 0.47 | 7.2 | 0.00 | Apr 26, 2026 | Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation. | ||
| CVE-2024-33655 | Hig | 0.42 | 7.5 | 0.02 | Jun 6, 2024 | The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification… | ||
| CVE-2026-45557 | Med | 0.38 | 5.8 | 0.00 | May 19, 2026 | 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. | ||
| CVE-2021-43105 | Med | 0.28 | 4.3 | 0.01 | Mar 28, 2022 | A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack. | ||
| CVE-2026-36478 | Hig | 0.00 | 7.5 | 0.00 | Jun 26, 2026 | An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components | ||
| CVE-2024-56946 | Med | 0.00 | 5.3 | 0.00 | Feb 3, 2025 | 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-over-QUIC connections by triggering unhandled exceptions in listener threads. |
- risk 0.64cvss 9.8epss 0.01
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 still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would…
- risk 0.64cvss 9.8epss 0.01
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 still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would…
- risk 0.49cvss 7.5epss 0.01
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
- risk 0.49cvss 7.5epss 0.00
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 attack.
- risk 0.49cvss 7.5epss 0.01
Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.
- risk 0.49cvss 7.5epss 0.00
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 second, which is impactful.
- risk 0.49cvss 7.5epss 0.01
An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times more than other "golden model" software like BIND) and cause potential DoS.
- risk 0.49cvss 7.5epss 0.01
An issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query loop using Technitium resolvers, launching amplification attacks and causing potential DoS.
- risk 0.49cvss 7.5epss 0.01
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 valid responses, thus causing DoS (denial of service) for normal resolution. The effects of an exploit would be widespread and…
- risk 0.49cvss 7.5epss 0.01
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.
- risk 0.47cvss 7.2epss 0.00
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
- risk 0.42cvss 7.5epss 0.02
The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification…
- risk 0.38cvss 5.8epss 0.00
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.
- risk 0.28cvss 4.3epss 0.01
A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack.
- risk 0.00cvss 7.5epss 0.00
An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components
- risk 0.00cvss 5.3epss 0.00
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-over-QUIC connections by triggering unhandled exceptions in listener threads.