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(particles.size());
		for (ParticleCount pc : particles) {
			output.writeByte(pc.getParticle().ordinal());
			output.writeInt(pc.getAmount());
		}
	}