Changelog for glib2-2.56.1-8.el7.x86_64.rpm :

* Wed Oct 14 2020 Ray Strode - 2.56.1-8- Backport patch to fix leak in g_signal_connect_object Resolves: 1887862 Related: #1717000
* Thu May 14 2020 Michael Catanzaro - 2.56.1-7- Backport patch to limit access to files when copying (CVE-2019-12450) Resolves: #1722099
* Wed Apr 15 2020 Jens Petersen - 2.56.1-6- Backport patches for GDBus auth Resolves: #1777221