Double free vulnerability in coders/tga.c in ImageMagick 7.0.0 and later allows remote attackers to cause a denial of service (application crash) via a crafted tga file.
https://github.com/ImageMagick/ImageMagick/commit/4f68e9661518463fca523c9726bb5d940a2aa6d8
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1490362