{"id":"CVE-2026-12150","state":"PUBLISHED","title":"IBM MQ queue manager is vulnerable to denial of service","description":"IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker with a trusted TLS client certificate to cause a denial of service and potentially affect memory contents due to improper validation of deeply nested certificate data during TLS certificate processing.","publishedAt":"2026-09-15T17:14:57.445Z","updatedAt":"2026-09-17T16:22:36.020Z","severity":{"score":7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H","source":"ibm"},"assigner":"ibm","products":["IBM MQ"],"affected":[{"vendor":"IBM","product":"MQ","versions":[{"version":"9.1.0.0","status":"affected","lessThanOrEqual":"9.1.0.37 LTS","versionType":"semver"},{"version":"9.2.0.0","status":"affected","lessThanOrEqual":"9.2.0.43 LTS","versionType":"semver"},{"version":"9.3.0.0","status":"affected","lessThanOrEqual":"9.3.0.41 LTS","versionType":"semver"},{"version":"9.3.0.0","status":"affected","lessThanOrEqual":"9.3.5.1 CD","versionType":"semver"},{"version":"9.4.0.0","status":"affected","lessThanOrEqual":"9.4.0.25 LTS","versionType":"semver"},{"version":"9.4.0.0","status":"affected","lessThanOrEqual":"9.4.5.1 CD","versionType":"semver"},{"version":"10.0.0.0","status":"affected"}],"cpes":["cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7284911"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/12xxx/CVE-2026-12150.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12150","state":"PUBLISHED","datePublished":"2026-09-15T17:14:57.445Z","dateUpdated":"2026-09-17T16:22:36.020Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-06-12T18:11:38.524Z"},"containers":{"cna":{"title":"IBM MQ queue manager is vulnerable to denial of service","descriptions":[{"lang":"en","value":"IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow a remote attacker with a trusted TLS client certificate to cause a denial of service and potentially affect memory contents due to improper validation of deeply nested certificate data during TLS certificate processing."}],"affected":[{"vendor":"IBM","product":"MQ","versions":[{"version":"9.1.0.0","status":"affected","lessThanOrEqual":"9.1.0.37 LTS","versionType":"semver"},{"version":"9.2.0.0","status":"affected","lessThanOrEqual":"9.2.0.43 LTS","versionType":"semver"},{"version":"9.3.0.0","status":"affected","lessThanOrEqual":"9.3.0.41 LTS","versionType":"semver"},{"version":"9.3.0.0","status":"affected","lessThanOrEqual":"9.3.5.1 CD","versionType":"semver"},{"version":"9.4.0.0","status":"affected","lessThanOrEqual":"9.4.0.25 LTS","versionType":"semver"},{"version":"9.4.0.0","status":"affected","lessThanOrEqual":"9.4.5.1 CD","versionType":"semver"},{"version":"10.0.0.0","status":"affected"}],"cpes":["cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7284911","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121 Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-09-15T17:14:57.445Z"},"solutions":[{"lang":"en","value":"This issue was addressed under Known Issue DT473914\n\n\n\nIBM MQ version 9.1 LTS\n\n\n\n Apply cumulative security update 9.1.0.38 https://www.ibm.com/support/pages/downloading-ibm-mq-91-lts \n\n\n\nIBM MQ version 9.2 LTS\n\n\n\n Apply cumulative security update 9.2.0.44 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts \n\n\n\nIBM MQ version 9.3 LTS\n\n\n\n Apply cumulative security update 9.3.0.42 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts \n\n\n\nIBM MQ version 9.4 LTS\n\n\n\n Apply cumulative security update https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts   9.4.0.26 https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts \n\n\n\nIBM MQ version 9.3 CD, 9.4 CD and 10.0.0.0\n\n\n\n Upgrade to IBM MQ version 10.0.0.5 https://www.ibm.com/support/pages/downloading-ibm-mq-100","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>This issue was addressed under Known Issue DT473914</p><p>IBM MQ version 9.1 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-91-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.1.0.38</a></p><p>IBM MQ version 9.2 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.2.0.44</a></p><p>IBM MQ version 9.3 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.3.0.42</a></p><p>IBM MQ version 9.4 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update</a><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94-lts\" rel=\"noopener noreferrer nofollow\"> 9.4.0.26</a></p><p>IBM MQ version 9.3 CD, 9.4 CD and 10.0.0.0</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\">Upgrade to IBM MQ version 10.0.0.5</a></p>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T16:22:24.554396Z","id":"CVE-2026-12150","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T16:22:36.020Z"}}]}}}