CVE-2019-4762: IBM Mq

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

IBM MQ 9.0 and 9.1 is vulnerable to a denial of service attack due to an error in the Channel processing function. IBM X-Force ID: 173625.

Affected products

• IBM Mq: from 9.0.0.0, before 9.0.0.9 (fixed in 9.0.0.9); from 9.1.0, before 9.1.5 (fixed in 9.1.5); from 9.1.0.0, before 9.1.0.3 (fixed in 9.1.0.3)

Published 2020-04-16. Last modified 2026-06-17.