CVE-2019-19952: ImageMagick: use-after-free in MngInfoDiscardObject in coders/png.c

Severity: Critical

CVSS Score: 9.8

In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.