CVE-2025-3631 MEDIUM

CVE-2025-3631: IBM MQ denial of service

Vendor Ibm

Product MQ

Weakness CWE-416

Published July 11, 2025

Last update August 18, 2025

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 11, 2025 CVE published

August 18, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-3631 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/416.html

Related vulnerabilities

Identifiers

CVE CVE-2025-3631

CWE CWE-416

CVSS 6.5 / MEDIUM

Affected versions

Vendor Ibm

Product MQ

Affected ≥ 9.3.2.0 CD and ≤ 9.3.5.1 CD

Vendor Ibm

Product MQ

Affected ≥ 9.4.0.0 and ≤ 9.4.2.1 CD

Vendor Ibm

Product MQ

Affected ≥ 9.4.0.0 LTS and ≤ 9.4.0.11 LTS

Vendor Ibm

Product MQ Appliance

Affected ≥ 9.3.2.0 CD and ≤ 9.3.5.2 CD

Vendor Ibm

Product MQ Appliance

Affected ≥ 9.4.0.0 LTS and ≤ 9.4.0.11 LTS

Vendor Ibm

Product MQ Appliance

Affected ≥ 9.4.1.0 CD and ≤ 9.4.2.1 CD

CVE-2025-3631: IBM MQ denial of service

01Description

02Disclosure timeline

03References

04Related CVE