SERVER-58552 Raise `kBSONDepthParameterFloor` to 21

1 files changed, 7 insertions, 6 deletions

diff --git a/src/mongo/bson/bson_depth.h b/src/mongo/bson/bson_depth.h
index e7e6836a8bf..ee0c7a2f235 100644
--- a/src/mongo/bson/bson_depth.h
+++ b/src/mongo/bson/bson_depth.h
@@ -39,16 +39,17 @@ struct BSONDepth {
     // The default BSON depth nesting limit.
     static constexpr std::int32_t kDefaultMaxAllowableDepth = 200;
 
-    // The minimum allowable value for the BSON depth parameter.
-    static constexpr std::int32_t kBSONDepthParameterFloor = 5;
-
-    // The maximum allowable value for the BSON depth parameter.
-    static constexpr std::int32_t kBSONDepthParameterCeiling = 250;
-
     // The number of extra levels of nesting above the storage depth limit that the server will
     // tolerate.
     static constexpr std::uint32_t kExtraSystemDepthLevels = 20;
 
+    // The minimum allowable value for the BSON depth parameter. Choose a value such that the max
+    // depth for user storage will be at least 1.
+    static constexpr std::int32_t kBSONDepthParameterFloor = kExtraSystemDepthLevels + 1;
+
+    // The maximum allowable value for the BSON depth parameter.
+    static constexpr std::int32_t kBSONDepthParameterCeiling = 250;
+
     // The depth of BSON accepted by the server. Configurable via the 'maxBSONDepth' server
     // parameter.
     static std::int32_t maxAllowableDepth;