CVE-2026-73798
8.2HighPublished 14 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Impact
- High impact on availability
- Weakness
- CWE-115
Impact
Remote, unauthenticated attackers can cause a denial of service on your DNS service. They need network access to reach the vulnerable DNS instance.
Root cause
A flaw in HPE NonStop DNS misinterprets boundary and input delimiters, allowing remote requests to crash the service.
Affected systems
HPE NonStop DNS 9.2.3 Non Secure Version
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Fix & remediation
Upgrade beyond version 9.2.3 or switch to the secure version as directed in HPE advisory hpesbns05148en_us; restrict network access to port 53 if immediate patching is not possible.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
A security vulnerability in HPE NonStop DNS 9.2.3 Non Secure Version could cause a Denial of Service.