CVE-2025-3631

IBM MQ denial of service

Published Jul 11, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor 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.

Tracking

Sign in to view the affected projects.

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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:*
Type Values Removed Values Added
Metrics epss

{'score': 0.0004}

Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 18, 2025, 1:35 AM
Reserved
Apr 15, 2025, 9:48 AM
Status
Analyzed
Published
Jul 11, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:20 AM