Security update for GraphicsMagick

Open Source Vulnerabilities SUSE-SU-2018:1163-1

This update for GraphicsMagick fixes the following issues: * CVE-2017-18229: An allocation failure vulnerability was found in the function ReadTIFFImage in coders/tiff.c, which could allows attackers to cause a denial of service via a crafted file, because file size is not properly used to restrict scanline, strip, and tile allocations. [bsc#1085236] * CVE-2017-11641: A memory Leak in the PersistCache function in magick/pixel_cache.c during writing of Magick Persistent Cache (MPC) files could lead to denial of servic3. [bsc#1050623] * CVE-2017-13066: A memory leak vulnerability in the function CloneImage in magick/image.c could lead to denial of service [bsc#1055010] * CVE-2018-10177: An infinite loop when reading MNG was fixed which could lead to a denial of service (hang) [bsc#1089781]