Use After Free in IBM Mq Operator
CVE-2025-27365
IBM MQ Operator LTS 2.0.0 through 2.0.29, MQ Operator CD 3.0.0, 3.0.1, 3.1.0 through 3.1.3, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, and MQ Operator SC2 3.2.0 through 3.2.10 Client connecting to a MQ Queue Manager can cause a SIGSEGV in the AMQRMPPA channel process terminating it.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- IBM Mq Operator — versions 2.0.0 LTS, 3.0.0, 3.0.1, 3.1.0, 3.1.3, 3.4.0, 3.5.0, 3.5.1 CD, 3.2.0 SC2
- IBM Mq Operator — versions 3.0.0, 3.0.1, 3.3.0
- IBM Supplied Mq Advanced Container Images — versions 9.2.0.1, 9.2.0.2, 9.2.0.4
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7232272 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27365?
- CVE-2025-27365 is a medium-severity vulnerability in IBM Mq Operator, classified under Use After Free. CVSS score: 6.5/10. Published 2025-05-01.
- How severe is CVE-2025-27365?
- Medium severity. CVSS v3 base score is 6.5 out of 10.