{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-10747","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-06-03T13:39:03.419Z","datePublished":"2026-09-18T15:55:43.394Z","dateUpdated":"2026-09-21T12:47:23.571Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-09-18T15:55:43.394Z"},"title":"IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","type":"CWE"}]}],"affected":[{"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:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7284690","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":10,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"}}],"solutions":[{"lang":"en","value":"This vulnerability is addressed under APAR DT472411\n\n\n\nIBM strongly recommends addressing the vulnerability now.\n\n\n\nIBM MQ Appliance version 9.4 LTS\nApply  IBM MQ Appliance fix pack 9.4.0.26 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.\n\n\n\nIBM MQ Appliance version 9.4 CD - M2003\nUpgrade to  IBM MQ Appliance 10.0.0.5 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.\n\n\n\nIBM MQ Appliance version 9.4 CD - M2002\nApply  IBM MQ Appliance cumulative security update 9.4.5.3 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.\n\n\n\nIBM MQ Appliance version 10 LTS\nApply  IBM MQ Appliance fix pack 10.0.0.5 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>This vulnerability is addressed under APAR DT472411</p><p>IBM strongly recommends addressing the vulnerability now.</p><p><strong>IBM MQ Appliance version 9.4 LTS</strong><br/>Apply <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=9.4.0.26-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance fix pack 9.4.0.26</a>, or later firmware.</p><p><strong>IBM MQ Appliance version 9.4 CD - M2003</strong><br/>Upgrade to <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=10.0.0.5-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance 10.0.0.5</a>, or later firmware.</p><p><strong>IBM MQ Appliance version 9.4 CD - M2002</strong><br/>Apply <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=9.4.5.3-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance cumulative security update 9.4.5.3</a>, or later firmware.</p><p><strong>IBM MQ Appliance version 10 LTS</strong><br/>Apply <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=10.0.0.5-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance fix pack 10.0.0.5</a>, or later firmware.</p>"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-10747","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-19T03:56:46.797549Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-21T12:47:23.571Z"}}]}}