A user authorized to perform database queries may cause denial of service by issuing specially crafted queries, which violate an invariant in the query subsystem's support for geoNear. This issue affects: MongoDB Inc. MongoDB Server v4.5 versions prior to 4.5.1; v4.4 versions prior to 4.4.0-rc7; v4.2 versions prior to 4.2.8; v4.0 versions prior to 4.0.19.