IBMCVE-2026-10027
IBM MQ: denial of service
High8.1CVE-2026-10027 · Published Sep 18, 2026 · updated Sep 23, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| MQ Product | >= 9.1.0.0, <= 9.1.0.37 LTS | No fix yet |
| >= 9.2.0.0, <= 9.2.0.43 LTS | No fix yet | |
| >= 9.3.0.0, <= 9.3.0.41 LTS | No fix yet | |
| >= 9.3.0.0, <= 9.3.5.1 CD | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-787
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 18 | IBM Guardium Data Protection: improper authorization | High8.1 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: cross-site request forgery | High8.8 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: command injection | High8.1 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: remote code execution | High7.2 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: privilege escalation | High7.8 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: information disclosure | High7.7 | No fix yet |