Language: Java
Label: vulnerable
CWE: CWE-502 \u2014 Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Code:
	public void writeData(LPDataOutput output) throws IOException {
		super.writeData(output);
		output.writeInt(integer2);
		output.writeInt(integer3);
		output.writeInt(integer4);
		if (string1 == null) {
			string1 = "";
		}
		output.writeUTF(string1);
	}