CVE-2026-11831Medium· 5.4▾ SunlitIBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0 · exploitation 0
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IBM MQ could allow an authenticated attacker to cause a limited denial of service and obtain very limited information about process memory layout due to an out-of-bounds read when processing a specially crafted client request.
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-2026-10574High· 8.8IBM MQ Buffer Overflow
CVE-2026-10572High· 8.8IBM 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