A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*"
]
}