CVE-2025-3631

highpriority · track · 30EPSS 0.004 · 32 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 7.5 · high

Is it mine?

19 products

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@us.ibm.com USexploitability 2.8 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

IBM MQall versionscert_bundDEcpe:/a:ibm:mq:-
IBM MQ Appliance CD <9.4.3all versionscert_bundDE
IBM MQ Appliance LTS <9.4.0.12all versionscert_bundDE
IBM MQ CD <9.4.3all versionscert_bundDE
IBM MQ LTS <9.4.0.12all versionscert_bundDE
IBM MQ≤ Appliance LTS <9.4.0.12cert_bundDE
IBM MQ≤ Appliance CD <9.4.3cert_bundDE
IBM MQ≤ CD <9.4.3cert_bundDE
IBM MQ≤ LTS <9.4.0.12cert_bundDE
IBM MQ≤ 9.4.0.0 LTS ≤9.4.0.11 LTSenisa_euvdEU
IBM MQ≤ 9.4.0.0 ≤9.4.2.1 CDenisa_euvdEU
IBM MQ≤ 9.3.2.0 CD ≤9.3.5.1 CDenisa_euvdEU
IBM MQ Appliance≤ 9.4.1.0 CD ≤9.4.2.1 CDenisa_euvdEU
IBM MQ Appliance≤ 9.4.0.0 LTS ≤9.4.0.11 LTSenisa_euvdEU
IBM MQ Appliance≤ 9.3.2.0 CD ≤9.3.5.2 CDenisa_euvdEU
ibm mq appliance9.3.2 → 9.3.5.2nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
ibm mq appliance9.4.0.0 → 9.4.0.12nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
ibm mq appliance9.4.0.0 → 9.4.3nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
ibm mq appliance9.4.1.0 → 9.4.3.0nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1418IBM MQ Appliance/Client: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-06-29csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in IBM MQ Appliance/Client ausnutzen, um einen Denial of Service Angriff durchzuführen.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2025-07-11modified 2026-06-17

External citations — patches, advisories, analysis.

scry

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