Denial of Service Vulnerability in IBM MQ Software
CVE-2026-10743

8.8HIGH

Key Information:

Vendor

IBM
Status
MQ Operator
MQ Advanced Container Images
Vendor
CVE Published:
19 October 2026

What is CVE-2026-10743?

IBM MQ is impacted by a vulnerability that allows an authenticated attacker to exploit improper validation of buffer sizes during MQOPEN operations. This flaw can lead to a denial of service or potential memory corruption, posing significant risks to system stability and data integrity. IBM has provided guidance and patches to mitigate these vulnerabilities, encouraging users to apply updates promptly.

Affected Version(s)

MQ Advanced container images 9.4.0.6-r1

MQ Advanced container images 9.4.0.6-r2

MQ Advanced container images 9.4.0.7-r1

References

https://www.ibm.com/support/pages/node/7292667
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.