diff --git a/binding/binding_test.go b/binding/binding_test.go
index caabaace..855592e9 100644
--- a/binding/binding_test.go
+++ b/binding/binding_test.go
@@ -1206,6 +1206,20 @@ func testBodyBindingFail(t *testing.T, b Binding, name, path, badPath, body, bad
 	assert.Error(t, err)
 }
 
+type Identifier struct {
+	Assigner *Reference `json:"assigner,omitempty"`
+}
+
+type Reference struct {
+	Identifier *Identifier `json:"identifier,omitempty"`
+}
+
+func TestLoopReference(t *testing.T) {
+	r := Reference{}
+	err := mapForm(&r, map[string][]string{})
+	assert.Error(t, err)
+}
+
 func testProtoBodyBinding(t *testing.T, b Binding, name, path, badPath, body, badBody string) {
 	assert.Equal(t, name, b.Name())
 
diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 80b1d15a..48db75c2 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -15,7 +15,10 @@ import (
 	"github.com/gin-gonic/gin/internal/json"
 )
 
+var LimitMappingCallNumber = 10000
+
 var errUnknownType = errors.New("Unknown type")
+var ErrMaybeCircularReference = errors.New("Maybe entering a circular reference")
 
 func mapUri(ptr interface{}, m map[string][]string) error {
 	return mapFormByTag(ptr, m, "uri")
@@ -46,11 +49,11 @@ func (form formSource) TrySet(value reflect.Value, field reflect.StructField, ta
 }
 
 func mappingByPtr(ptr interface{}, setter setter, tag string) error {
-	_, err := mapping(reflect.ValueOf(ptr), emptyField, setter, tag)
+	_, err := mapping(reflect.ValueOf(ptr), emptyField, setter, tag, 0)
 	return err
 }
 
-func mapping(value reflect.Value, field reflect.StructField, setter setter, tag string) (bool, error) {
+func mapping(value reflect.Value, field reflect.StructField, setter setter, tag string, callNumber int) (bool, error) {
 	var vKind = value.Kind()
 
 	if vKind == reflect.Ptr {
@@ -60,7 +63,7 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 			isNew = true
 			vPtr = reflect.New(value.Type().Elem())
 		}
-		isSetted, err := mapping(vPtr.Elem(), field, setter, tag)
+		isSetted, err := mapping(vPtr.Elem(), field, setter, tag, callNumber+1)
 		if err != nil {
 			return false, err
 		}
@@ -70,6 +73,10 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 		return isSetted, nil
 	}
 
+	if callNumber > LimitMappingCallNumber {
+		return false, ErrMaybeCircularReference
+	}
+
 	if vKind != reflect.Struct || !field.Anonymous {
 		ok, err := tryToSetValue(value, field, setter, tag)
 		if err != nil {
@@ -89,7 +96,7 @@ func mapping(value reflect.Value, field reflect.StructField, setter setter, tag
 			if sf.PkgPath != "" && !sf.Anonymous { // unexported
 				continue
 			}
-			ok, err := mapping(value.Field(i), tValue.Field(i), setter, tag)
+			ok, err := mapping(value.Field(i), tValue.Field(i), setter, tag, callNumber+1)
 			if err != nil {
 				return false, err
 			}
diff --git a/binding/form_mapping_test.go b/binding/form_mapping_test.go
index c9d6111b..04145c21 100644
--- a/binding/form_mapping_test.go
+++ b/binding/form_mapping_test.go
@@ -52,7 +52,7 @@ func TestMappingBaseTypes(t *testing.T) {
 
 		field := val.Elem().Type().Field(0)
 
-		_, err := mapping(val, emptyField, formSource{field.Name: {tt.form}}, "form")
+		_, err := mapping(val, emptyField, formSource{field.Name: {tt.form}}, "form", 0)
 		assert.NoError(t, err, testName)
 
 		actual := val.Elem().Field(0).Interface()