https://github.com/shack2/javaserializetools https://github.com/SkyBlueEternal/CNVD-C-2019-48814-CNNVD-201904-961 https://github.com/iceMatcha/CNTA-2019-0014xCVE-2019-2725 https://github.com/lasensio/cve-2019-2725