Fix signed integer overflow in Imagick::importImagePixels()#797
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ndossche wants to merge 1 commit into
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Fix signed integer overflow in Imagick::importImagePixels()#797ndossche wants to merge 1 commit into
ndossche wants to merge 1 commit into
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`width * height * map_len` could cause signed integer overflow, which is UB. Avoid this by adding necessary checks. Since all variables are necessarily positive (or map_len 0), this can be done in unsigned math.
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width * height * map_lencould cause signed integer overflow, which is UB. Avoid this by adding necessary checks. Since all variables are necessarily positive (or map_len 0), this can be done in unsigned math.