CVE-2026-73798 HPE NonStop DNS 9.2.3 Non Secure Version
A vulnerability in HPE NonStop DNS allows attackers to cause a Denial of Service condition.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73798?
CVE-2026-73798 is a high-severity denial of service vulnerability in Hewlett Packard Enterprise HPE NonStop DNS 9.2.3 Non Secure Version, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability in HPE NonStop DNS 9.2.3 Non Secure Version could cause a Denial of Service.
Weakness: CWE-115
Which versions are affected by CVE-2026-73798?
How do I fix CVE-2026-73798?
No fix has been published for CVE-2026-73798 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-73798 being exploited?
There is no known exploitation of CVE-2026-73798 in the wild and no public exploit code.
Sources
Also known as GHSA-vcv9-4mjq-qpxh.