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medium5.9

CVE-2026-11828

IBM MQ could allow a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client appl…

Impact

IBM MQ could allow a remote attacker with queue manager control or man-in-the-middle access on unencrypted channels to cause a denial of service in client applications using asynchronous message consumption due to improper validation of queue name length values.

Affected products

VendorProductAffected versions
IbmMq Operator
from 2.0.0 through 2.0.29
from 3.2.0 through 3.2.29
Versions 3.3.0, 3.4.0, 3.4.1, 3.5.0
IbmSupplied Mq Advanced Container Images
Versions 9.4.1.0, 9.4.1.1, 9.4.2.0, 9.4.2.1, 9.4.3.0, 9.4.3.1

Weakness classification

References