The AcquireMagickMemory function in MagickCore/memory.c in ImageMagick before 7.0.3.3 allows remote attackers to have unspecified impact via a crafted image, which triggers a memory allocation failure.
www.debian.org/security/2016/dsa-3726
www.openwall.com/lists/oss-security/2016/10/20/2
www.openwall.com/lists/oss-security/2016/10/20/3
www.securityfocus.com/bid/93794
blogs.gentoo.org/ago/2016/10/17/imagemagick-memory-allocation-failure-in-acquiremagickmemory-memory-c/
bugzilla.redhat.com/show_bug.cgi?id=1387135
github.com/ImageMagick/ImageMagick/issues/271