In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21, there is a heap-based buffer over-read in ReadOneMNGImage in coders/png.c, related to length calculation and caused by an off-by-one error.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17879.json"
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