{"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":"<p>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.</p>"}]}],"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":"<div><table><tbody><tr><td>IBM MQ V8.1 for HPE NonStop</td><td> 8.1.0.40</td><td>IT49924</td><td><a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&amp;product=ibm/WebSphere/WebSphere+MQ&amp;release=8.1.0.41&amp;platform=HP+NonStop&amp;function=all&amp;useReleaseAsTarget=true\" rel=\"nofollow\">Upgrade to CSU 8.1.0.41</a></td></tr></tbody></table></div><p></p><p>IBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.</p>"}]}]},"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"}}]}}