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CVE-2026-2004 PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code

🗓️ 12 Feb 2026 13:00:08Reported by PostgreSQLType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

PostgreSQL intarray estimator lacks input type validation, enabling OS user code execution; affected versions before 18.2, 17.8, 16.12, 15.16, 14.21.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "PostgreSQL",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "18.2",
        "status": "affected",
        "version": "18",
        "versionType": "rpm"
      },
      {
        "lessThan": "17.8",
        "status": "affected",
        "version": "17",
        "versionType": "rpm"
      },
      {
        "lessThan": "16.12",
        "status": "affected",
        "version": "16",
        "versionType": "rpm"
      },
      {
        "lessThan": "15.16",
        "status": "affected",
        "version": "15",
        "versionType": "rpm"
      },
      {
        "lessThan": "14.21",
        "status": "affected",
        "version": "0",
        "versionType": "rpm"
      }
    ]
  }
]

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12 Feb 2026 13:00Current
CVSS 3.18.8
EPSS0.00059
25