Mongoose+Buffer unitialized Buffer sensitive information leak, v1

buffer.mongoose.v1.js

var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/bufftest');
// data: Buffer is not uncommon, taken straight from the docs: http://mongoosejs.com/docs/schematypes.html
mongoose.model('Item', new mongoose.Schema({id: String, data: Buffer}));
var Item = mongoose.model('Item');
var sample = new Item();
sample.id = 'item1';
sample.data = 1000;
sample.save(function () {
	Item.findOne(function (err, result) {
		console.log(result.data.toString('ascii'))
		mongoose.connection.db.dropDatabase(); // Clean up everything
		process.exit();
	});
});