CVE-2026-17159 Vulnerabilities in IBM AIX and PowerVM VIOS

High 7.5 Published Updated

A remote attacker can cause a denial of service in IBM AIX and PowerVM VIOS via an integer overflow vulnerability.

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-2026-17159?

CVE-2026-17159 is a high-severity vulnerability in Ibm Aix, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an integer overflow.

Weakness: CWE-190

Which versions are affected by CVE-2026-17159?

It affects 2 products.

Products include Ibm Aix, Ibm Vios.

How do I fix CVE-2026-17159?

No fix has been published for CVE-2026-17159 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-17159 being exploited?

There is no known exploitation of CVE-2026-17159 in the wild and no public exploit code.

All Ibm Aix vulnerabilities

Sources

Also known as GHSA-w6hf-9jqv-r7p4.

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