Security updates for Monday

Security updates have been issued by Debian (chromium, firefox-esr, ghostscript, libreswan, prosody, sphinxsearch, thunderbird, and uriparser), Fedora (cryptsetup, flatpak, kernel, mingw-uriparser, python-celery, python-kombu, and uriparser), Mageia (htmldoc, mbedtls, openexr, perl-CPAN, systemd, thunderbird, and vim), openSUSE (chromium and prosody), Red Hat (httpd, kernel, and samba), Scientific Linux (kernel), Slackware (expat), SUSE (ghostscript), and Ubuntu (pillow).