A flaw was found in GraphicsMagick 1.3.28, there is a divide-by-zero in the ReadMNGImage function of coders/png.c. Remote attackers could leverage this vulnerability to cause a crash and denial of service via a crafted mng file.
Created GraphicsMagick tracking bugs for this issue:
Affects: fedora-all [bug 1561226]
Affects: epel-all [bug 1561227]