Security updates for Thursday

Security updates have been issued by Debian (phpldapadmin, poppler, and tzdata), Fedora (firefox, java-11-openjdk, libarchive, sos-collector, and teeworlds), Scientific Linux (java-1.7.0-openjdk, python-paramiko, and thunderbird), Slackware (curl), and SUSE (kernel, MozillaFirefox, MozillaFirefox-branding-SLE, llvm4, mozilla-nspr, mozilla-nss, apache2-mod_nss, and wireshark).