A biWidth*biBitCnt integer overflow in input-bmp.c in autotrace 0.31.1 allows attackers to provide an unexpected input value to malloc via a malformed bitmap image. A bitmap double free in main.c in autotrace 0.31.1 allows attackers to cause an unspecified impact via a malformed bitmap image. This may occur after the use-after-free in CVE-2017-9182