CVE-2025-50334 json
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
published 2026-01-08 10 mo ago modified 2026-11-04 4 d ago also EUVD-2026-1441
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-50334 updated cvss 7.5
technitium-dns-server: Technitium DNS Server: Denial of Service via rate-limiting component
-
Red Hat OpenShift Dev Spaces devspaces/traefik-rhel9not affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 10 mo ago
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Red Hat Red Hat OpenShift Dev Spaces
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e
patch
-
github.com
/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334
exploit, third-party-advisory
-
github.com
/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
release-notes
-
github.com
/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs
product
-
access.redhat.com
/security/cve/CVE-2025-50334
vdb-entry
-
bugzilla.redhat.com
/show_bug.cgi?id=2428058
issue-tracking
- security.access.redhat.com /data/csaf/v2/vex/2025/cve-2025-50334.json
Sources
- CVE List CVE-2025-50334
- NVD CVE-2025-50334
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.