The following security updates has been released for Debian GNU/Linux:
Debian GNU/Linux 7 LTS:CA-Certificates / Graphicsmagick / GDK-Pixbuf Updates for Debian
DLA 1244-1: ca-certificates update
DLA 1245-1: graphicsmagick security update
Debian GNU/Linux 8 and 9:
DSA 4088-1: gdk-pixbuf security update
