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CVE-2026-4358 Memory safety issues in slot-based execution hash table spill

🗓️ 17 Mar 2026 19:00:07Reported by mongodbType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

CVE-2026-4358 memory safety in slot based execution engine; double free or use after free during hash table spill via crafted $lookup by an authenticated writer.

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Affected
Refs
[
  {
    "vendor": "MongoDB Inc",
    "product": "MongoDB Server",
    "versions": [
      {
        "status": "affected",
        "version": "8.2",
        "lessThan": "8.2.6",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "8.0",
        "lessThan": "8.0.20",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "7.0",
        "lessThan": "7.0.31",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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