CVE-2024-31919: IBM MQ denial of service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-28 · updated 2026-06-17
Weakness: CWE-770

Description

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD, in certain configurations, is vulnerable to a denial of service attack caused by an error processing messages when an API Exit using MQBUFMH is used. IBM X-Force ID: 290259.

Affected products

IBM MQ: 9.0.0.0, 9.1.0.0, 9.2.0, 9.3.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/290259
https://www.ibm.com/support/pages/node/7157979
https://exchange.xforce.ibmcloud.com/vulnerabilities/290259
https://www.ibm.com/support/pages/node/7157979

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