CVE-2016-9189: Integer overflow in Map.c

November 4, 2016 (updated June 30, 2017)

Pillow allows context-dependent attackers to obtain sensitive information by using the “crafted image file” approach, related to an “Integer Overflow” issue affecting the Image.core.map_buffer in map.c component.

References

pillow.readthedocs.io/en/3.4.x/releasenotes/3.3.2.html
github.com/python-pillow/Pillow/issues/2105
github.com/python-pillow/Pillow/pull/2146/commits/c50ebe6459a131a1ea8ca531f10da616d3ceaa0f

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