CVE-2019-4049: IBM Mq

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM MQ 9.1.0.0, 9.1.0.1, 9.1.1, and 9.1.0.2 is vulnerable to a denial of service due to a local user being able to fill up the disk space of the underlying filesystem using the error logging service. IBM X-Force ID: 156398.

Affected products

• IBM Mq: from 9.1.0, up to and including 9.1.1; from 9.1.0.0, up to and including 9.1.0.2

Published 2019-08-20. Last modified 2026-06-17.