CVE-2026-16179
Received Received - Intake

Heap Buffer Underwrite 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 an attacker to cause a heap buffer underwrite and potentially crash the service.

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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-2026-16179
EUVD
EUVD-2026-94957

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-124 The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer.

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Executive Summary

This vulnerability is a heap buffer underwrite flaw 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. It allows an attacker to cause a memory corruption issue that could crash the service.

Impact Analysis

An attacker could exploit this to cause a denial of service by crashing the IBM DataPower Gateway service. This may disrupt network traffic processing, leading to service unavailability for legitimate users.

Compliance Impact

This vulnerability could lead to service disruption or crashes, potentially causing data processing interruptions. For GDPR, this may impact availability of personal data processing systems. For HIPAA, it could affect the integrity and availability of protected health information systems. However, the specific compliance impact depends on deployment and mitigation measures.

Mitigation Strategies

Update IBM DataPower Gateway to a version beyond the affected range (10.5.0.0-10.5.0.22, 10.6.0.0-10.6.6, 10.6.0.0-10.6.0.10, 11.0.0.0-11.0.0.2). Apply patches from IBM as soon as they are available.

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