/usr/share/doc/php7.2-xsl/changelog.Debian.gz is in php7.2-xsl 7.2.3-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/php7.2-xsl/../php7.2-common/changelog.Debian.gz
/usr/share/doc/php7.2-xsl/../php7.2-common/changelog.Debian.gz