ImageMagick 7.0.7-0 Q16 has a NULL pointer dereference vulnerability in PDFDelegateMessage in coders/pdf.c. An attacker can use this to crash the application. Upstream issue: https://github.com/ImageMagick/ImageMagick/issues/724 Upstream patch: https://github.com/ImageMagick/ImageMagick/commit/0cbb3b3b02e7af493a9aafa8f7e7d23fc70644e4