In ImageMagick 7.0.7-28, there is an infinite loop in the ReadOneMNGImage function of the coders/png.c file. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted mng file.
Exploitability
AV:NAC:LPR:NUI:RScope
S:UImpact
C:NI:NA:H6.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H