CVE-2026-18142

Full vulnerability record from the local CVENow database.

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.

Severity

HIGH

CVSS score

7.1 (v3.1)

Vulnerability status

Undergoing Analysis

Source identifier

[email protected]

Published

2026-11-04 21:18:13.187000

Last modified

2026-11-04 21:18:13.310000

View original CVE JSON

{
  "id": "CVE-2026-18142",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T21:18:13.187",
  "lastModified": "2026-11-04T21:18:13.310",
  "vulnStatus": "Undergoing Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "MQ",
          "cpes": [
            "cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "9.2.0.0",
              "lessThanOrEqual": "9.2.0.44",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.3.0.0",
              "lessThanOrEqual": "9.3.0.42",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.4.0.0",
              "lessThanOrEqual": "9.4.0.26",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "9.4.0.0",
              "lessThanOrEqual": "9.4.5.1",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "10.0.0.0",
              "lessThanOrEqual": "10.0.0.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7294663",
      "source": "[email protected]"
    }
  ]
}