CVE-2020-28248: Integer Overflow or Wraparound

February 20, 2021 (updated July 21, 2021)

An integer overflow in the PngImg::InitStorage_() function of png-img leads to an under-allocation of heap memory and subsequently an exploitable heap-based buffer overflow when loading a crafted PNG file.

References

nvd.nist.gov/vuln/detail/CVE-2020-28248

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