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OpenAdvisories
Medium · 5.4 CVE-2026-12550 EUVD-2026-117071GHSA-3857-rj39-946p

IBM MQ is affected by a denial of service vulnerability

Published Nov 4, 2026 · Updated Nov 9, 2026 · Assigned by ibm

Description

IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper validation of message selection parameters.

Affected products

VendorProductAffectedFixed
IBM MQ 9.2.0.0 – ≤ 9.2.0.44, 9.3.0.0 – ≤ 9.3.0.42, 9.4.0.0 – ≤ 9.4.0.26, 9.4.0.0 – ≤ 9.4.5.1, 10.0.0.0 – ≤ 10.0.0.5 —

Advisories 1

References