Security updates for Friday
Security updates have been issued by Debian (nbd, ruby-sidekiq, tryton-proteus, and tryton-server), Mageia (shapelib and thunderbird), openSUSE (minidlna, python-libxml2-python, python-lxml, and thunderbird), Oracle (kernel, kernel-container, and python-pip), Red Hat (.NET 5.0, .NET 6.0, .NET Core 3.1, firefox, kernel, and kernel-rt), Scientific Linux (firefox), SUSE (openssh, python-libxml2-python, python-lxml, and thunderbird), and Ubuntu (expat vulnerabilities and, firefox, and subversion).