Check out of range values in FieldVisitorConverToNumber

src/Common/FieldVisitors.h

@@ -188,9 +188,16 @@ public:
         }
 
         if constexpr (std::is_same_v<Decimal256, T>)
+        {
             return Int256(x);
+        }
         else
+        {
+            if (x > std::numeric_limits<T>::max() || x < std::numeric_limits<T>::lowest())
+                throw Exception("Cannot convert out of range floating point value to integer type", ErrorCodes::CANNOT_CONVERT_TYPE);
+
             return T(x);
+        }
     }
 
     T operator() (const UInt128 &) const

tests/queries/0_stateless/01804_uniq_up_to_ubsan.sql

@@ -0,0 +1,2 @@
+SELECT uniqUpTo(1e100)(number) FROM numbers(5); -- { serverError 70 }
+SELECT uniqUpTo(-1e100)(number) FROM numbers(5); -- { serverError 70 }