CVE-2021-29843: IBM Mq Appliance

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.

Affected products

• IBM Mq Appliance: from 9.1.0.0, before 9.1.0.9 (fixed in 9.1.0.9); from 9.1.0.0, before 9.2.3 (fixed in 9.2.3); from 9.2.0.0, before 9.2.0.3 (fixed in 9.2.0.3)

Published 2021-11-08. Last modified 2026-06-17.