CVE-2026-11378

HighCVSS 8.8/10Last modified Sep 23, 2026

Description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

Vendor	Product	Versions
IBM	MQ	>= 9.1.0.0, <= 9.1.0.37 LTS; >= 9.2.0.0, <= 9.2.0.43 LTS; >= 9.3.0.0, <= 9.3.0.41 LTS; >= 9.3.0.0, <= 9.3.5.1 CD; >= 9.4.0.0, <= 9.4.0.25 LTS; >= 9.4.0.0, <= 9.4.5.1 CD; 10.0.0.0

References

https://www.ibm.com/support/pages/node/7284945Patch, Vendor Advisory

Timeline

Published: Sep 18, 2026
Last modified: Sep 23, 2026
NVD status: Analyzed

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