CVE-2026-14496
Received Received - Intake

IBM DataPower Gateway Heap-Based Buffer Overflow DoS

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-based 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-2026-14496
EUVD
EUVD-2026-94998

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-125 The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This is a heap-based buffer overflow vulnerability 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 buffer in memory.

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. To detect it, check the installed version of IBM DataPower Gateway on your system using commands like 'show version' or 'show system' in the DataPower CLI. Compare the output against the affected versions listed.

Impact Analysis

If exploited, this vulnerability could allow an attacker to crash the IBM DataPower Gateway service, leading to service disruption. This could affect network traffic processing, API calls, or other critical functions handled by the gateway.

Compliance Impact

This vulnerability could lead to a denial of service, which may disrupt services handling sensitive data. For GDPR, this could impact availability of personal data processing. For HIPAA, service disruption might affect protected health information access. However, the CVE does not provide specific compliance impact details.

Mitigation Strategies

Update IBM DataPower Gateway to a patched version. IBM DataPower Gateway 10.5.0.23, 10.6.0.11, 10.6.7, or 11.0.0.3 or later address this vulnerability. Apply the latest fixes from IBM immediately.

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