CVE-2025-36128: IBM Mq

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM MQ 9.1, 9.2, 9.3, 9.4 LTS and 9.3, 9.4 CD is vulnerable to a denial of service, caused by improper enforcement of the timeout on individual read operations. By conducting slowloris-type attacks, a remote attacker could exploit this vulnerability to cause a denial of service.

Affected products

• IBM Mq: version 9.1.0.0 only; version 9.2.0.0 only; version 9.3.0 only; version 9.3.0.0 only; version 9.4.0 only; version 9.4.0.0 only

Published 2025-10-16. Last modified 2026-10-09.