{"affected":[{"product":"MQ","source":"CNA: ibm","vendor":"IBM","versions":[{"lessThanOrEqual":"9.2.0.44","status":"affected","version":"9.2.0.0","versionType":"semver"},{"lessThanOrEqual":"9.3.0.42","status":"affected","version":"9.3.0.0","versionType":"semver"},{"lessThanOrEqual":"9.4.0.26","status":"affected","version":"9.4.0.0","versionType":"semver"},{"lessThanOrEqual":"9.4.5.1","status":"affected","version":"9.4.0.0","versionType":"semver"},{"lessThanOrEqual":"10.0.0.5","status":"affected","version":"10.0.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-18142","cwes":["CWE-190"],"description":"IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow a remote authenticated attacker to cause a denial of service and perform limited memory corruption due to an integer overflow.","epss":{"date":"2026-11-09","percentile":0.37234,"score":0.00427},"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: ibm","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","version":"3.1"},{"score":7.1,"severity":"high","source":"NVD: psirt@us.ibm.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","version":"3.1"}],"modifiedAt":1794257432680,"publishedAt":1793823715509,"references":[{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7294663"},{"source":"psirt@us.ibm.com","tags":[],"url":"https://www.ibm.com/support/pages/node/7294663"}],"remediation":[{"kind":"fix","source":"CNA: ibm","text":"This issue was addressed under Known Issue DT500561.\n\n\n\nIBM MQ version 9.2 LTS\n\n\n\n Apply cumulative security update 9.2.0.46 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 9.3.0.43 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 fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94 \n\n\n\nIBM MQ version 10.0.LTS\n\n\n\n Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100 \n\n\n\nIBM MQ version 9.4 CD and 10.0 CD\n\n\n\n Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100"},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7294663"}],"revision":"510656fbef380e0355e7dff3e8486055f36b11a9bad67d6c3f30afe9a87369b6","sources":[{"modifiedAt":1794257432680,"name":"CNA: ibm","retrievedAt":1794258602973,"url":"https://www.cve.org/CVERecord?id=CVE-2026-18142"},{"modifiedAt":1793827093310,"name":"NVD","retrievedAt":1793838295956,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18142"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794258611496,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-18142"}],"ssvc":{"assessedAt":1794257420777,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"IBM MQ is affected by a denial of service vulnerability","updatedAt":1794258611496}