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| Alert*
CVE-2017-12652
libpng before 1.6.32 does not properly check the length of chunks against the user limit. CVE-2019-7317 png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute. |