CVE-2018-13785: Divide By Zero

July 9, 2018 (updated September 8, 2020)

In libpng, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

References

nvd.nist.gov/vuln/detail/CVE-2018-13785

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