Provide references for CVE-2018-25021.
Where can I find more information about CVE-2018-25021?
References are available at: https://github.com/TokTok/c-toxcore/issues/1214, https://github.com/TokTok/c-toxcore/pull/1216, https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/.