CVE-2026-79821 HPE NonStop SOAP 4.0 - Memory corruption

High 8.2 Published Updated

A memory corruption vulnerability in HPE NonStop SOAP allows attackers to cause a system down, impacting availability.

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-2026-79821?

CVE-2026-79821 is a high-severity memory corruption vulnerability in Hewlett Packard Enterprise HPE NonStop SOAP 4.0, 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 security vulnerability in HPE NonStop SOAP 4.0 may cause memory corruption resulting in a system down.

Weakness: CWE-20

Which versions are affected by CVE-2026-79821?

How do I fix CVE-2026-79821?

No fix has been published for CVE-2026-79821 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-79821 being exploited?

There is no known exploitation of CVE-2026-79821 in the wild and no public exploit code.

Sources

Also known as GHSA-p5qr-xr9q-hq5c.

Is CVE-2026-79821 in your software?

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