A flaw was found in ImageMagick 7.0.7-16 Q16 x86_64 2017-12-25, there is a use-after-free in ReadOneMNGImage in coders/png.c, which allows attackers to cause a denial of service via a crafted MNG image file that is mishandled in an MngInfoDiscardObject call. References: https://github.com/ImageMagick/ImageMagick/issues/918 Patch: https://github.com/ImageMagick/ImageMagick/commit/93d029b70ac766ce0b5d7261a2dd334535f48038
Created ImageMagick tracking bugs for this issue: Affects: fedora-all [bug 1581487]
The ReadOneMNGImage function is included in recent versions of ImageMagick only.
Statement: This issue did not affect the versions of ImageMagick as shipped with Red Hat Enterprise Linux 5, 6, and 7.