Security updates have been issued by Debian (webkit2gtk), Fedora (systemd), openSUSE (go1.11, python-Twisted, SDL2image, SDLimage, and wavpack), Oracle (kdelibs and kde-settings, kernel, and qemu-kvm), Red Hat (chromium-browser and firefox), Slackware (seamonkey), SUSE (java-180-ibm, kernel, and python-urllib3), and Ubuntu (firefox and npm/fstream).