{"id":"CVE-2026-11378","title":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.","summary":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-190"],"vendor":"IBM","product":"MQ","affected":["MQ >= 9.1.0.0 <= 9.1.0.37 LTS","MQ >= 9.2.0.0 <= 9.2.0.43 LTS","MQ >= 9.3.0.0 <= 9.3.0.41 LTS","MQ >= 9.3.0.0 <= 9.3.5.1 CD","MQ >= 9.4.0.0 <= 9.4.0.25 LTS","MQ >= 9.4.0.0 <= 9.4.5.1 CD","MQ 10.0.0.0"],"published":"2026-09-18","updated":"2026-09-21","sourceUpdated":"2026-09-21T13:17:07.673","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-11378","references":[{"url":"https://www.ibm.com/support/pages/node/7284945","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-19T03:56:53.450763Z"},"epss":0.0059,"epssPercentile":0.46671,"ingestedAt":"2026-09-18T16:45:41.382Z","slug":"CVE-2026-11378","body":"## Overview\n\nIBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}