I just ran into this issue. Here's how I worked around it: # dpkg-statoverride --list root crontab 2755 /usr/bin/crontab root Debian-exim 640 /etc/exim4/passwd.client
# dpkg-statoverride --remove /etc/exim4/passwd.client # dpkg-statoverride --list root crontab 2755 /usr/bin/crontab