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Security updates have been issued by Arch Linux (chromium, element-desktop, element-web, firefox, ghostscript, and hedgedoc), Fedora (kernel and openssl), openSUSE (ghostscript, htmldoc, and openssl-1_0_0), Oracle (libtirpc), Red Hat (cyrus-imapd, kernel, and kernel-rt), SUSE (ghostscript), and Ubuntu (apport, curl, and squashfs-tools).