CVE-2025-3631 — MEDIUM (6.5)

Q: What is CVE-2025-3631?

CVE-2025-3631 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

Q: How severe is CVE-2025-3631?

CVE-2025-3631 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-3631?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Mq Appliance.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ibm	Mq Appliance	>= 9.3.2, <= 9.3.5.2

Related Weaknesses (CWE)

CWE-416

References

https://www.ibm.com/support/pages/node/7237025Vendor Advisory
https://www.ibm.com/support/pages/node/7238310Vendor Advisory

FAQ

What is CVE-2025-3631?

CVE-2025-3631 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2025-3631?

CVE-2025-3631 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-3631?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Mq Appliance.