IBMCVE-2026-10858
IBM MQ for HPE NonStop: denial of service
Critical9.9CVE-2026-10858 · Published Sep 18, 2026 · updated Sep 19, 2026
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| MQ for HPE NonStop Product | >= 8.1.0, <= 8.1.0.40 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-122
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 |