CVE-2026-82335 IBM Guardium Data Protection Buffer Overflow

High 8.1 Published Updated

A remote attacker can trigger a heap-based buffer overflow in the MongoDB protocol parser, leading to denial of service or arbitrary code execution.

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-2026-82335?

CVE-2026-82335 is a high-severity memory corruption vulnerability in Ibm Guardium Data Protection, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based buffer overflow in the MongoDB protocol parser. A remote attacker could send a specially crafted MongoDB SCRAM username containing an excessive length and cause memory corruption, potentially resulting in denial of service or arbitrary code execution.

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2026-82335?

It affects 1 product.

Products include Ibm Guardium Data Protection.

How do I fix CVE-2026-82335?

No fix has been published for CVE-2026-82335 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-2026-82335 being exploited?

There is no known exploitation of CVE-2026-82335 in the wild and no public exploit code.

All Ibm Guardium Data Protection vulnerabilities

Sources

Also known as GHSA-29m4-fpp8-q5f8.

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