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Critical · 9.9 CVE-2026-10858 EUVD-2026-83034GHSA-cmx7-5fpv-xc6x

IBM MQ for HPE NonStop is vulnerable to a denial of service attack

Published Sep 18, 2026 · Updated Sep 19, 2026 · Assigned by ibm

Description

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 products

VendorProductAffectedFixed
IBM MQ for HPE NonStop 8.1.0 – ≤ 8.1.0.40 —

Advisories 1

References