This update for GraphicsMagick fixes the following issues:

- CVE-2018-16644: Added missing check for length in the functions ReadDCMImage
  and ReadPICTImage, which allowed remote attackers to cause a denial of service
  via a crafted image (bsc#1107609)
- CVE-2018-16645: Prevent excessive memory allocation issue in the functions
  ReadBMPImage and ReadDIBImage, which allowed remote attackers to cause a denial
  of service via a crafted image file (bsc#1107604)