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.writeBoolean(type != null);
		if (type != null) {
			output.writeEnum(type);
			output.writeInt(positionInt);
		}
	}