{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-10858", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-06-04T13:16:29.221Z", "datePublished": "2026-09-18T16:08:37.780Z", "dateUpdated": "2026-09-19T03:56:50.473Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-18T16:08:37.780Z" }, "title": "IBM MQ for HPE NonStop is vulnerable to a denial of service attack", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "type": "CWE" } ] } ], "affected": [ { "vendor": "IBM", "product": "MQ for HPE NonStop", "versions": [ { "status": "affected", "version": "8.1.0", "lessThanOrEqual": "8.1.0.40", "versionType": "semver" } ], "cpes": [ "cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "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.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

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.

" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7287704", "tags": [ "vendor-advisory", "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" } } ], "solutions": [ { "lang": "en", "value": "IBM MQ V8.1 for HPE NonStop 8.1.0.40IT49924 Upgrade to CSU 8.1.0.41 https://www.ibm.com/support/fixcentral/swg/selectFixes \n\n\n\n\n\n\n\nIBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
IBM MQ V8.1 for HPE NonStop 8.1.0.40IT49924Upgrade to CSU 8.1.0.41

IBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.

" } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-18T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-10858" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-19T03:56:50.473Z" } } ] } }