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CVE-2026-14664 PostgreSQL regexp heap buffer overflow executes arbitrary code

🗓️ 13 Aug 2026 13:00:03Reported by PostgreSQLType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

PostgreSQL regexp heap overflow in pg_wchar round-trip allows query author to execute arbitrary code; versions before 18.5, 17.11, 16.15, 15.19, 14.24 affected.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "PostgreSQL",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "18.6",
        "status": "affected",
        "version": "18",
        "versionType": "rpm"
      },
      {
        "lessThan": "17.11",
        "status": "affected",
        "version": "17",
        "versionType": "rpm"
      },
      {
        "lessThan": "16.15",
        "status": "affected",
        "version": "16",
        "versionType": "rpm"
      },
      {
        "lessThan": "15.19",
        "status": "affected",
        "version": "15",
        "versionType": "rpm"
      },
      {
        "lessThan": "14.24",
        "status": "affected",
        "version": "0",
        "versionType": "rpm"
      }
    ]
  }
]

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