CVE-2026-16179 IBM DataPower Gateway Buffer Underwrite
An attacker can cause a heap buffer underwrite in IBM DataPower Gateway, potentially crashing the service and causing 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-2026-16179?
CVE-2026-16179 is a high-severity memory corruption vulnerability in Ibm Datapower Gateway, 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 DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an attacker to cause a heap buffer underwrite and potentially crash the service.
Weakness: CWE-124
Which versions are affected by CVE-2026-16179?
It affects 1 product.
Products include Ibm Datapower Gateway.
How do I fix CVE-2026-16179?
No fix has been published for CVE-2026-16179 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-2026-16179 being exploited?
There is no known exploitation of CVE-2026-16179 in the wild and no public exploit code.
Other vulnerabilities in Ibm Datapower Gateway
Sources
Also known as GHSA-9gh8-crxr-x3h2.