CVE-2026-12150
IBM MQ queue manager is vulnerable to denial of service
CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th
IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker with a trusted TLS client certificate to cause a denial of service and potentially affect memory contents due to improper validation of deeply nested certificate data during TLS certificate processing.
| CWE | CWE-121 |
| Vendor | ibm |
| Product | mq |
| Published | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected Versions
IBM / MQ
9.1.0.0 ≤ 9.1.0.37 LTS 9.2.0.0 ≤ 9.2.0.43 LTS 9.3.0.0 ≤ 9.3.0.41 LTS 9.3.0.0 ≤ 9.3.5.1 CD 9.4.0.0 ≤ 9.4.0.25 LTS 9.4.0.0 ≤ 9.4.5.1 CD 10.0.0.0