Description
IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.
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-2026-3409 IBM MQ: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 22, 2026
References
- https://www.ibm.com/support/pages/node/7284893 vendor-advisory patch