CVE-2026-11378

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.

Score

CVSS 3.1 8.8 High

Status

Analyzed - psirt@us.ibm.com

Published

2026-09-18

Last modified

2026-09-21

Weaknesses

CWE-190

Affected products

• Mq (Ibm)

References

• https://www.ibm.com/support/pages/node/7284945