CVE-2026-13473 IBM Storage Protect Client is vulnerable to Heap-Based Buffer Overflow

High 8.1 Published Updated

A remote attacker can exploit a heap-based buffer overflow in the IBM Storage Protect Client to execute arbitrary code or cause a denial of service.

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-2026-13473?

CVE-2026-13473 is a high-severity memory corruption vulnerability in IBM Storage Protect Client, published on 17 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 IBM Storage Protect is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

Weakness: CWE-122

Which versions are affected by CVE-2026-13473?

It affects 1 product.

Products include Ibm Storage Protect.

How do I fix CVE-2026-13473?

No fix has been published for CVE-2026-13473 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-2026-13473 being exploited?

There is no known exploitation of CVE-2026-13473 in the wild and no public exploit code.

Sources

Also known as GHSA-9qhh-4vx4-2pqx.

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