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CVE-2026-10747

IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing

CVSS 3.1 10.0 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-10747

Published

IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-10747

Published

MQ Appliance

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "MQ Appliance",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "9.4 LTS",
                            "lessThanOrEqual": "9.4.0.0 to 9.4.0.25",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "9.4 CD",
                            "lessThanOrEqual": "9.4.1.0 to 9.4.5.2",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "10.0.0.0",
                            "lessThanOrEqual": "10.0.0.1 only",
                            "versionType": "semver"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq_appliance:9.4.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq_appliance:10.0.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON