Security updates for Wednesday

Arch Linux has updated gnutls (denial of service), jasper (denial of service), pcre (code execution), and python-django (denial of service).

CentOS has updated httpd (C7: two vulnerabilities) and mariadb (C7: multiple vulnerabilities).

Debian has updated twig (code execution).

Debian-LTS has updated ruby1.8 (information disclosure) and ruby1.9.1 (information disclosure).

Mageia has updated gnutls (MG4,5: two vulnerabilities), vlc (MG5: code execution), and wireshark (MG4,5: multiple vulnerabilities).

Oracle has updated thunderbird (OL7; OL6: multiple vulnerabilities).

Ubuntu has updated gdk-pixbuf (15.04, 14.04, 12.04: code execution).