Ticket #9938: 9938.patch

django/forms/models.py

@@ -705 +705 @@
             value = self.queryset.get(**{key: value})
         except self.queryset.model.DoesNotExist:
             raise ValidationError(self.error_messages['invalid_choice'])
+        except ValueError:
+            # Raised when string is passed.
+            raise ValidationError(self.error_messages['invalid_choice'])
+        except OverflowError:
+            # Raised when ridiculously large integer is passed.
+            raise ValidationError(self.error_messages['invalid_choice'])
         return value
 
 class ModelMultipleChoiceField(ModelChoiceField):