CVE-2021-39034: IBM Mq

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.

Affected products

• IBM Mq: from 9.1.0.0, up to and including 9.1.0.9

Published 2022-02-17. Last modified 2026-06-17.