CVE-2026-11828

EUVD-2026-104473
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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.98%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
ibmmq_operator
3.2.0 ≤
𝑥
≤ 3.2.29
CNA
ibmmq_operator
3.3.0 ≤
𝑥
< 3.4.0
CNA
ibmmq_operator
3.4.1
CNA
ibmmq_operator
3.5.0
CNA
ibmmq_operator
3.5.1 ≤
𝑥
≤ 3.5.3
CNA
ibmmq_operator
3.6.0 ≤
𝑥
≤ 3.6.4
CNA
ibmmq_operator
3.7.0 ≤
𝑥
≤ 3.7.2
CNA
ibmmq_operator
3.8.0
CNA
ibmmq_operator
3.8.1
CNA
ibmmq_operator
3.9.0
CNA
ibmmq_operator
3.9.1
CNA
ibmmq_operator
3.9.2
CNA
ibmmq_operator
4.0.0
CNA
ibmmq_operator
4.0.1
CNA
ibmmq_operator
4.0.2
CNA
ibmmq_operator
4.0.3
CNA
ibmmq_operator
4.0.4
CNA
ibmmq_operator
2.0.0 ≤
𝑥
≤ 2.0.29
CNA