Description
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
Published: 2026-09-18
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

This issue was addressed under Known Issue DT473424 IBM MQ version 9.1 LTS Apply cumulative security update 9.1.0.38 https://www.ibm.com/support/pages/downloading-ibm-mq-91-lts IBM MQ version 9.2 LTS Apply cumulative security update 9.2.0.44 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts IBM MQ version 9.3 LTS Apply cumulative security update 9.3.0.42 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts IBM MQ version 9.4 LTS Apply cumulative security update https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts  9.4.0.26 https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts IBM MQ version 9.3 CD, 9.4 CD and 10.0.0.0 Upgrade to IBM MQ version 10.0.0.5 https://www.ibm.com/support/pages/downloading-ibm-mq-100

Tracking

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Advisories

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History

Fri, 18 Sep 2026 16:15:00 +0000

Type Values Removed Values Added
Description IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
Title IBM MQ queue manager is vulnerable to remote code execution
First Time appeared Ibm
Ibm mq
Weaknesses CWE-122
CPEs cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*
cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm mq
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Ibm Mq
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-09-18T16:09:00.823Z

Reserved: 2026-06-05T12:32:17.660Z

Link: CVE-2026-11375

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T16:17:05.470

Modified: 2026-09-18T18:17:47.257

Link: CVE-2026-11375

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow