CVE-2023-49203

Summary (CVE-2023-49203) Technitium DNS Server 11.5.3 is affected by a denial of service via a DNSBomb manipulation that causes accumulation of low-rate DNS queries, producing a large burst of responses and overwhelming bandwidth. This is described across multiple sources (NVD, Red Hat security, ...

CVE-2024-56946

Summary: CVE-2024-56946 is a denial-of-service affecting Technitium DNS Server up to version 13.2.2, caused by unhandled exceptions in listener threads for DNS-over-QUIC. Affected software/version : Technitium DNS Server

CVE-2023-28451

Technitium 11.0.2 is affected by a BadDNS issue in DNS resolving that can trigger a DoS by causing resolvers to ignore valid responses. The vulnerability arises from the DNS resolver’s handling, allowing an attacker to forge a response to the source port without guessing TXID, leading to widespre...

CVE-2023-28457

Technitium DNS Server (through v11.0.3) contains a DNS cache poisoning vulnerability that allows an attacker to inject fake responses within 1 second. The issue affects the DNS server component and is described as impactful, with a high-severity CVSS base score (7.5). Public details across multip...

CVE-2023-28455

The CVE-2023-28455 issue affects Technitium DNS Server (up to v11.0.2). The root cause is a forwarding mode pattern that can create query loops in Technitium resolvers, enabling amplification and potential DoS. Documented impacts describe denial-of-service risk due to network-based query looping....

CVE-2023-28456

Summary: Technitium DNS Server (through version 11.0.2) is affected by a vulnerability that enables amplification attacks and potential DoS. The root cause involves the software’s handling that allows amplified traffic generation; the public descriptions and Red Hat/CNNVD entries corroborate the ...

CVE-2025-50334

CVE-2025-50334 affects Technitium DNS Server v13.5, where the rate‑limiting component can be abused by a remote attacker to cause a denial of service. The available connected documents describe the issue as stemming from improper handling within the rate‑limiting logic, impacting DNS service avai...

CVE-2026-42255

Technitium DNS Server shows a vulnerability in versions before 15.0: DNS traffic amplification via cyclic name server delegation. The CVE-2026-42255 entry documents this issue (CVSS v3.1 base score 7.2, HIGH) with network-attack potential and no user interaction. Affected component is the DNS ser...

CVE-2024-56089

CVE-2024-56089 affects Technitium DNS Server up to version 13.2.2 (and earlier). The issue enables a DNS cache poisoning attack by reviving a birthday attack to inject fake responses. Documents consistently describe the vulnerability and impact but do not provide concrete exploit steps or a publi...