miniupnpc changelog: http://miniupnp.free.fr/files/changelog.php?file=miniupnpc-2.0.20180203.tar.gz 2.0.20180203 includes fixes for the recent buffer overflow and segfault issues, see https://github.com/miniupnp/miniupnp/issues/268.
expat changelog: https://github.com/libexpat/libexpat/blob/R_2_2_5/expat/Changes 2.2.2 & 2.2.3 included security fixes.
ccache changelog: https://ccache.samba.org/releasenotes.html#_ccache_3_4_1
Also includes latest config.guess and config.sub.