This update for GraphicsMagick fixes the following issues:
security update (png.c)
CVE-2018-9018: divide-by-zero in the ReadMNGImage function of coders/png.c.
Attackers could leverage this vulnerability to cause a crash and denial of service
via a crafted mng file. [bsc#1086773]
security update (gif.c)
CVE-2017-18254: A memory leak vulnerability was found in the function WriteGIFImage in coders/gif.c,
which could lead to denial of service via a crafted file. [bsc#1087027]
security update (pcd.c)
CVE-2017-18251: A memory leak vulnerability was found in the function ReadPCDImage in coders/pcd.c,
which could lead to a denial of service via a crafted file. [bsc#1087037]