Description
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| IBM | MQ | 9.1.0.0 – ≤ 9.1.0.37 LTS, 9.2.0.0 – ≤ 9.2.0.43 LTS, 9.3.0.0 – ≤ 9.3.0.41 LTS, 9.3.0.0 – ≤ 9.3.5.1 CD, 9.4.0.0 – ≤ 9.4.0.25 LTS, 9.4.0.0 – ≤ 9.4.5.1 CD, 10.0.0.0 | — |
Advisories 1
- WID-SEC-2026-3469 IBM MQ: Schwachstelle ermöglicht Codeausführung, Denial of Service, und potenziell Privilegieneskalation BSI CERT-Bund (WID) · Sep 20, 2026
References
- https://www.ibm.com/support/pages/node/7287778 vendor-advisory patch