Description
IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker to cause a denial of service or potentially execute arbitrary code in the client due to a heap buffer overflow when receiving messages from a malicious queue manager or through a man-in-the-middle attack.
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/7284943 vendor-advisory patch