CVE-2026-16170
Received Received - Intake

Heap Buffer Overflow in IBM DataPower Gateway

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: IBM Corporation

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 a remote attacker to cause a denial of service due to a heap buffer overflow.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-16170
EUVD
EUVD-2026-94892

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
IBM DataPower Gateway 10.6CD 10.6.1
IBM DataPower Gateway 10.6.0 10.6.0.0
IBM DataPower Gateway 11.0.0 11.0.0.0
IBM DataPower Gateway 10.5.0 10.5.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a heap buffer overflow in IBM DataPower Gateway versions 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. A remote attacker could exploit this to cause a denial of service by sending specially crafted input that overflows a heap buffer.

Detection Guidance

This vulnerability is specific to IBM DataPower Gateway versions 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. Detection requires checking the installed version of IBM DataPower Gateway on your system. Use the command 'show version' in the DataPower CLI to verify the version. If your version falls within the affected ranges, your system may be vulnerable.

Impact Analysis

If exploited, this vulnerability could cause your IBM DataPower Gateway to crash or become unresponsive, disrupting network traffic and services that rely on it. This may lead to downtime for applications or systems using the affected versions.

Compliance Impact

The vulnerability causes a denial of service due to heap buffer overflow in IBM DataPower Gateway. This could disrupt services handling sensitive data, potentially violating GDPR (availability principle) or HIPAA (security and integrity requirements) if critical systems are impacted.

Mitigation Strategies

Apply the latest IBM DataPower Gateway patches or updates to versions beyond the affected ranges (10.5.0.22, 10.6.6, 10.6.0.10, 11.0.0.2). Monitor IBM security advisories for updates and restrict network access to DataPower Gateway interfaces.

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