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8.8 High

CVE-2026-11378 IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to…

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.

Affected products and versions

Product Affected versions Fixed in
MQ 10.0.0.0 No fix stated
MQ 9.4 9.4.0.0 → latest No fix stated
MQ 9.3 9.3.0.0 → latest No fix stated
MQ 9.2 9.2.0.0 → latest No fix stated
MQ 9.1 9.1.0.0 → latest No fix stated

Other CVEs of MQ

The 117 CVEs of MQ →
CVE-2026-10859 IBM MQ XMS .NET client is affected by an arbitrary code execution vulnerability 7.5 High CVE-2026-11376 IBM MQ is affected by a denial of service vulnerability 8.8 High CVE-2026-11724 IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability 8.5 High CVE-2026-12356 IBM MQ Managed File Transfer is affected by an arbitrary code execution vulnerability 7.5 High
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