IBM MQ denial of service
Priority LOW 33CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00378 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | MQ | 9.3.2.0 CD – 9.3.5.1 CD; 9.4.0.0 – 9.4.2.1 CD; 9.4.0.0 LTS – 9.4.0.11 LTS | — | No fix listed | CNA |
| IBM | MQ Appliance | 9.3.2.0 CD – 9.3.5.2 CD; 9.4.0.0 LTS – 9.4.0.11 LTS; 9.4.1.0 CD – 9.4.2.1 CD | — | No fix listed | CNA |
- MQ VendorIBM Affected 9.3.2.0 CD – 9.3.5.1 CD; 9.4.0.0 – 9.4.2.1 CD; 9.4.0.0 LTS – 9.4.0.11 LTS Fixed in — No fix listed CNA
- MQ Appliance VendorIBM Affected 9.3.2.0 CD – 9.3.5.2 CD; 9.4.0.0 LTS – 9.4.0.11 LTS; 9.4.1.0 CD – 9.4.2.1 CD Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* | 9.3.2 – 9.3.5.2 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* | 9.4.0.0 to before 9.4.0.12 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* | 9.4.0.0 to before 9.4.3 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* | 9.4.1.0 to before 9.4.3.0 | Vulnerable | IBM |
- cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* Versions 9.3.2 – 9.3.5.2 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* Versions 9.4.0.0 to before 9.4.0.12 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:* Versions 9.4.0.0 to before 9.4.3 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:* Versions 9.4.1.0 to before 9.4.3.0 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3631
- 2026-10-03 Alias added: GHSA-mprx-jp8f-rw8w
References
More IBM Mq Appliance vulnerabilities
- TI-2020-03985 Deserialization of untrusted data in IBM MQ CVSS 3.1CRITICAL 9.8
- TI-2017-01080 OS command injection in IBM MQ Appliance CVSS 3.0HIGH 8.8
- TI-2025-00826 IBM MQ code execution CVSS 3.1HIGH 8.8
- TI-2023-11446 IBM MQ denial of service CVSS 3.1HIGH 7.5
- TI-2020-04160 Cross-site request forgery in IBM MQ Appliance CVSS 3.1HIGH 8.8
- TI-2024-16522 IBM MQ code execution CVSS 3.1HIGH 7.5
Sources
- CVE-2025-3631 · CVE Program
- CVE-2025-3631 · NVD
- FIRST EPSS
- GHSA-mprx-jp8f-rw8w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences