Integer Overflow and Heap-Based Buffer Overflow in SWFTools 0.9.2's png_load Function

CVE-2017-16797 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

In SWFTools 0.9.2, the png_load function in lib/png.c does not properly validate an alloclen_64 multiplication of width and height values, which allows remote attackers to cause a denial of service (integer overflow, heap-based buffer overflow, and application crash) or possibly have unspecified other impact via a crafted PNG file.

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