CVE-2017-11638
GraphicsMagick 1.3.26 has a segmentation violation in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11642.
Date published : 2017-07-26
http://hg.code.sf.net/p/graphicsmagick/code/rev/29550606d8b9