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ca4f69e66c
There is a heap buffer overflow in DumpScreen2RGB() in gif2rgb.c. This occurs when a crafted gif file, where size of color table is < 256 but image data contains pixels with color code highier than size of color table. This causes oferflow of ColorMap->Colors array. Fix the issue by checking if value of each pixel is within bounds of given color table. If the value is out of color table, print error message and exit. Signed-off-by: Nikhil R <nikhil.r@kpit.com> Signed-off-by: Armin Kuster <akuster808@gmail.com>