Security update for ImageMagick

Open Source Vulnerabilities SUSE-SU-2018:2043-1

This update for ImageMagick fixes the following issues: The following security vulnerabilities were fixed: - CVE-2018-11625: Fixed heap-based buffer over-read in SetGrayscaleImage in the quantize.c file, which allowed remote attackers to cause buffer over-read via a crafted file. (bsc#1096200) - CVE-2018-11624: Fixed a use-after-free issue in the ReadMATImage function in coders/mat.c. (bsc#1096203) - CVE-2018-10805: Fixed several memory leaks in bgr.c, rgb.c, cmyk.c, gray.c, and ycbcr.c (bsc#1095812) - CVE-2018-12600: The ReadDIBImage and WriteDIBImage functions allowed attackers to cause an out of bounds write via a crafted file (bsc#1098545). - CVE-2018-12599: The ReadBMPImage and WriteBMPImage fucntions allowed attackers to cause an out of bounds write via a crafted file (bsc#1098546). The following other changes were made: - Fix -gamma issues in special cases. (bsc#1094745, bsc#1094742)