CVE-2026-10747 (GCVE-0-2026-10747)
Vulnerability from cvelistv5
Published
2026-09-18 15:55
Modified
2026-09-21 12:47
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
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.
References
Impacted products
Vendor Product Version
IBM MQ Appliance Version: 9.4 LTS   <
Version: 9.4 CD   <
Version: 10.0.0.0   ≤ 10.0.0.1 only
    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:*:*:*:*:*:*:*
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            "cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:*",
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            "cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:*"
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      "providerMetadata": {
        "dateUpdated": "2026-09-18T15:55:43.394Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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          "lang": "en",
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              "type": "text/html",
              "value": "\u003cp\u003eThis vulnerability is addressed under APAR DT472411\u003c/p\u003e\u003cp\u003eIBM strongly recommends addressing the vulnerability now.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.0.26-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance fix pack 9.4.0.26\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2003\u003c/strong\u003e\u003cbr/\u003eUpgrade to \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2002\u003c/strong\u003e\u003cbr/\u003eApply\u00a0\u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.5.3-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance cumulative security update 9.4.5.3\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 10 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\" rel=\"nofollow\"\u003eIBM MQ Appliance fix pack 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e"
            }
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          "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\u00a0 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."
        }
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      "title": "IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing"
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    "assignerShortName": "ibm",
    "cveId": "CVE-2026-10747",
    "datePublished": "2026-09-18T15:55:43.394Z",
    "dateReserved": "2026-06-03T13:39:03.419Z",
    "dateUpdated": "2026-09-21T12:47:23.571Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-21T12:45:06.633Z\"}}], \"cna\": {\"title\": \"IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 10, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"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:*:*:*:*:*:*:*\"], \"vendor\": \"IBM\", \"product\": \"MQ Appliance\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.4 LTS\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.4.0.0 to 9.4.0.25\"}, {\"status\": \"affected\", \"version\": \"9.4 CD\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.4.1.0 to 9.4.5.2\"}, {\"status\": \"affected\", \"version\": \"10.0.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"10.0.0.1 only\"}]}], \"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\\u00a0 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\", \"value\": \"\u003cp\u003eThis vulnerability is addressed under APAR DT472411\u003c/p\u003e\u003cp\u003eIBM strongly recommends addressing the vulnerability now.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\\\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.0.26-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\\\" rel=\\\"nofollow\\\"\u003eIBM MQ Appliance fix pack 9.4.0.26\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2003\u003c/strong\u003e\u003cbr/\u003eUpgrade to \u003ca href=\\\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\\\" rel=\\\"nofollow\\\"\u003eIBM MQ Appliance 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 9.4 CD - M2002\u003c/strong\u003e\u003cbr/\u003eApply\\u00a0\u003ca href=\\\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=9.4.5.3-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\\\" rel=\\\"nofollow\\\"\u003eIBM MQ Appliance cumulative security update 9.4.5.3\u003c/a\u003e, or later firmware.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eIBM MQ Appliance version 10 LTS\u003c/strong\u003e\u003cbr/\u003eApply \u003ca href=\\\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere\u0026amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000\u0026amp;function=fixId\u0026amp;fixids=10.0.0.5-IBM-MQ-Appliance+\u0026amp;includeSupersedes=1\\\" rel=\\\"nofollow\\\"\u003eIBM MQ Appliance fix pack 10.0.0.5\u003c/a\u003e, or later firmware.\u003c/p\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7284690\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"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\", \"value\": \"\u003cp\u003eIBM 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.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-122\", \"description\": \"CWE-122 Heap-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"shortName\": \"ibm\", \"dateUpdated\": \"2026-09-18T15:55:43.394Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-10747\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-21T12:47:23.571Z\", \"dateReserved\": \"2026-06-03T13:39:03.419Z\", \"assignerOrgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"datePublished\": \"2026-09-18T15:55:43.394Z\", \"assignerShortName\": \"ibm\"}",
      "dataType": "CVE_RECORD",
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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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