CVE-2025-50334
highAn issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
Vendor / product: Technitium — dnsserver
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-01-08 17:15
Modified: 2026-11-04 22:10
NVD status: Modified
Last synced 2 hours ago
Verified against the source API 2026-11-04 22:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
technitium / dnsserver <14.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 cve@mitre.org
- https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md cve@mitre.org
- https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs cve@mitre.org
- https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df... cve@mitre.org
- https://access.redhat.com/security/cve/CVE-2025-50334 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- https://bugzilla.redhat.com/show_bug.cgi?id=2428058 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-50334.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 22:37 UTC · record ↗