CVE-2026-76659 HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability

High 7.5 Published Updated

An unauthenticated remote attacker can cause a denial of service in the HPE NonStop TCP/IP Utilities finger daemon.

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-2026-76659?

CVE-2026-76659 is a high-severity denial of service vulnerability in Hewlett Packard Enterprise HPE NonStop TCP/IP UTILITIES, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the finger daemon of HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote attacker to cause a denial of service.

Weakness: CWE-306

Which versions are affected by CVE-2026-76659?

How do I fix CVE-2026-76659?

No fix has been published for CVE-2026-76659 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-2026-76659 being exploited?

There is no known exploitation of CVE-2026-76659 in the wild and no public exploit code.

Sources

Also known as GHSA-p85w-h249-v9x9.

Is CVE-2026-76659 in your software?

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