CVE-2026-15819
Received Received - Intake

IBM DataPower Gateway Denial of Service via Sorting Comparator

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 out-of-bounds memory access caused by a strict-weak-ordering violation in a sorting comparator.

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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-2026-15819
EUVD
EUVD-2026-94972

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 denial of service issue 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 occurs due to an out-of-bounds memory access caused by a strict-weak-ordering violation in a sorting comparator, allowing a remote attacker to disrupt service.

Impact Analysis

If exploited, this vulnerability could allow an attacker to cause a denial of service, leading to service disruptions, downtime, or reduced availability of the IBM DataPower Gateway. This may affect business operations relying on the gateway for critical functions.

Mitigation Strategies

Upgrade 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 or updates from IBM as soon as they are available.

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