Security updates for Monday
Security updates have been issued by Arch Linux (dnsmasq), CentOS (firefox and nss), Debian (firefox-esr, ghostscript, libidn2-0, opencv, and otrs2), Fedora (moodle, php-horde-nag, php-horde-passwd, php-horde-wicked, php-symfony-security-acl, pkgconf, and xen), openSUSE (spice and weechat), Scientific Linux (firefox and nss), Slackware (openexr), SUSE (xen), and Ubuntu (ca-certificates, dnsmasq, and nss).