CVE-2026-11829Medium· 6.5▾ SunlitIBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of offset values in MQOPEN requests.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of offset values in MQOPEN requests.
mq_operator >= 3.2.0 <= 3.2.29mq_operator >= 3.3.0 < 3.4.0mq_operator 3.4.1mq_operator 3.5.0mq_operator >= 3.5.1 <= 3.5.3mq_operator >= 3.6.0 <= 3.6.4mq_operator >= 3.7.0 <= 3.7.2mq_operator 3.8.0mq_operator 3.8.1mq_operator 3.9.0mq_operator 3.9.1mq_operator 3.9.2mq_operator 4.0.0mq_operator 4.0.1mq_operator 4.0.2mq_operator 4.0.3mq_operator 4.0.4mq_operator >= 2.0.0 <= 2.0.29mq_advanced_container_images >= 9.4.0.6-r1 <= r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2mq_advanced_container_images 9.4.0.6-r2mq_advanced_container_images 9.4.0.7-r1mq_advanced_container_images 9.4.0.10-r1mq_advanced_container_images 9.4.0.10-r2mq_advanced_container_images 9.4.0.11-r1mq_advanced_container_images 9.4.0.11-r2mq_advanced_container_images 9.4.0.11-r3mq_advanced_container_images 9.4.0.12-r1mq_advanced_container_images >= 9.4.0.15-r1 <= 9.4.0.15-r4mq_advanced_container_images 9.4.0.16-r1mq_advanced_container_images 9.4.0.16-r2mq_advanced_container_images 9.4.0.17-r1mq_advanced_container_images 9.4.0.17-r2mq_advanced_container_images 9.4.0.20-r1mq_advanced_container_images 9.4.0.21-r1mq_advanced_container_images 9.4.0.21-r2mq_advanced_container_images >= 9.4.0.25-r1 <= 9.4.0.25-r3mq_advanced_container_images 9.4.0.26-r1mq_advanced_container_images 9.4.1.0-r1mq_advanced_container_images 9.4.1.0-r2mq_advanced_container_images 9.4.1.1-r1mq_advanced_container_images 9.4.2.0-r1mq_advanced_container_images 9.4.2.0-r2mq_advanced_container_images 9.4.2.1-r1mq_advanced_container_images 9.4.2.1-r2mq_advanced_container_images 9.4.3.0-r1mq_advanced_container_images 9.4.3.0-r2mq_advanced_container_images >= 9.4.3.1-r1 <= 9.4.3.1-r3mq_advanced_container_images 9.4.4.0-r1mq_advanced_container_images 9.4.4.1-r1mq_advanced_container_images 9.4.5.0-r1Issues mentioned by this security bulletin are addressed in -
IBM strongly recommends applying the latest container images.
IBM MQ Operator v4.1.0 CD release details:
Image
Fix Version
Registry
Image Location
ibm-mq-operator
v4.1.0
icr.io
icr.io/cpopen/ibm-mq-operator@sha256:ed9a217869637c8749270fd485517ea62c8dffbd198a8f7090042ebbeb5bd127
ibm-mqadvanced-server
10.0.1.0-r1
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server@sha256:06f0892b36e879d0f8957477deeabfe2b4e0fda13f64792edbe7825caf7b77e3
ibm-mqadvanced-server-dev
10.0.1.0-r1
icr.io
icr.io/ibm-messaging/ibm-mqadvanced-server-dev@sha256:129d1d736e94bae071039136585734b7ccc6cfd6e1cc7dacb9af59e60d0a57c2
IBM MQ Operator v4.0.5 SC2 release details:
Image
Fix Version
Registry
Image Location
ibm-mq-operator
v4.0.5
icr.io
icr.io/cpopen/ibm-mq-operator@sha256:1109597707dfb3fbde274e39698f08a9011f13ca75746a30414e246459571930
ibm-mqadvanced-server
10.0.0.5-r2
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server@sha256:0218cf9da8c763b502afb02e7c0406654ac64fdd015410d7b73496fbed89a652
ibm-mqadvanced-server-dev
10.0.0.5-r2
icr.io
icr.io/ibm-messaging/ibm-mqadvanced-server-dev@sha256:6610f615ac4bf129668b70a9ae288386ea6bee87112056b83792ad2f901bcf9b
IBM MQ Operator v3.2.30 SC2 release details:
Image
Fix Version
Registry
Image Location
ibm-mq-operator
v3.2.30
icr.io
icr.io/cpopen/ibm-mq-operator@sha256:57dda3eb0391e540ff18029fdcd44a14951a73860bdc7544be5879a8ca49fc40
ibm-mqadvanced-server
9.4.0.26-r2
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server@sha256:4fc5474a0cd9da504bd4bd26ce5c0b91e088656aa56decb315b450ac7868b7e8
ibm-mqadvanced-server-integration
9.4.0.26-r2
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server-integration@sha256:a6656d4b9c7db64dd9247c22a00607baf2c9141392d7bf5860a93325604f26ad
ibm-mqadvanced-server-dev
9.4.0.26-r2
icr.io
icr.io/ibm-messaging/ibm-mqadvanced-server-dev@sha256:abf4c7e931f77aa2aeb340ad054edb35c0f382bf4a7c776d838afab23106b06a
IBM MQ Container 10.0.1.0-r1 release details:
Image
Fix Version
Registry
Image Location
ibm-mqadvanced-server
10.0.1.0-r1
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server@sha256:06f0892b36e879d0f8957477deeabfe2b4e0fda13f64792edbe7825caf7b77e3
ibm-mqadvanced-server-dev
10.0.1.0-r1
icr.io
icr.io/ibm-messaging/ibm-mqadvanced-server-dev@sha256:129d1d736e94bae071039136585734b7ccc6cfd6e1cc7dacb9af59e60d0a57c2
IBM MQ Container 10.0.0.5-r2 release details:
Image
Fix Version
Registry
Image Location
ibm-mqadvanced-server
10.0.0.5-r2
cp.icr.io
cp.icr.io/cp/ibm-mqadvanced-server@sha256:0218cf9da8c763b502afb02e7c0406654ac64fdd015410d7b73496fbed89a652
ibm-mqadvanced-server-dev
10.0.0.5-r2
icr.io
icr.io/ibm-messaging/ibm-mqadvanced-server-dev@sha256:6610f615ac4bf129668b70a9ae288386ea6bee87112056b83792ad2f901bcf9b
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-11828Medium· 5.9IBM MQ Buffer Overflow
CVE-2026-12670Medium· 5.3IBM MQ Denial of Service
CVE-2026-12669Low· 3.1IBM MQ Out-of-bounds Read
CVE-2026-12660Low· 2.7IBM MQ Path Traversal
CVE-2026-12665High· 8.1IBM MQ Buffer Overflow
CVE-2026-12343Medium· 6.5IBM MQ Denial of Service