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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-21175 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.
Fixes

Solution

This issue was addressed under known issue DT435291 . IBM MQ version 9.4 LTS Apply fix pack 9.4.0.12 IBM MQ version 9.3 CD and 9.4 CD Upgrade to IBM MQ version 9.4.3 IBM MQ Appliance version 9.3 CD Upgrade to IBM MQ Appliance cumulative security update 9.4.0.12, or later firmware.  IBM MQ Appliance version 9.4 LTS Apply IBM MQ Appliance cumulative security update 9.4.0.12, or later firmware.  IBM MQ Appliance version 9.4 CD Apply IBM MQ Appliance cumulative security update 9.4.3.0, or later firmware.


Workaround

No workaround given by the vendor.

History

Wed, 23 Jul 2025 19:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:*

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0004}


Fri, 11 Jul 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 11 Jul 2025 18:45:00 +0000

Type Values Removed Values Added
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.
Title IBM MQ denial of service
First Time appeared Ibm
Ibm mq
Ibm mq Appliance
Weaknesses CWE-416
CPEs cpe:2.3:a:ibm:mq:9.3.2.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:9.4.0.11:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:9.4.2.1:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.3.2.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.3.5.2:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.4.0.11:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:9.4.2.1:*:*:*:continuous_delivery:*:*:*
Vendors & Products Ibm
Ibm mq
Ibm mq Appliance
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2025-08-18T01:35:24.388Z

Reserved: 2025-04-15T09:48:13.276Z

Link: CVE-2025-3631

cve-icon Vulnrichment

Updated: 2025-07-11T18:52:00.944Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-11T19:15:23.433

Modified: 2025-07-23T19:08:03.073

Link: CVE-2025-3631

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.