CVE-2025-3631

IBM MQ denial of service

State: Published
Severity: 6.5 Medium
Published: Jul 11, 2025
Updated: Aug 18, 2025
Reserved: Apr 15, 2025

Description

An IBM MQ 9.3 and 9.4 Client connecting to an MQ Queue Manager can cause a SIGSEGV in the AMQRMPPA channel process terminating it.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ibm

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
MQIBM	9.3.2.0 CD through 9.3.5.1 CDAffected 9.4.0.0 through 9.4.2.1 CDAffected 9.4.0.0 LTS through 9.4.0.11 LTSAffected
MQ ApplianceIBM	9.3.2.0 CD through 9.3.5.2 CDAffected 9.4.0.0 LTS through 9.4.0.11 LTSAffected 9.4.1.0 CD through 9.4.2.1 CDAffected

References

https://www.ibm.com/support/pages/node/7238310vendor-advisorypatch
https://www.ibm.com/support/pages/node/7237025vendor-advisorypatch

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