CVE-2017-11403
The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.
Date published : 2017-07-17
https://www.debian.org/security/2018/dsa-4321
http://hg.code.sf.net/p/graphicsmagick/code/rev/d0a76868ca37