The ReadSUNImage function in coders/sun.c in GraphicsMagick 1.3.26 has an issue where memory allocation is excessive because it depends only on a length field in a header. This may lead to denial of service in the MagickMalloc function in magick/memory.c.
Created GraphicsMagick tracking bugs for this issue:
Affects: epel-all [bug 1488444]
Affects: fedora-all [bug 1475495]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.