The bm_readbody_bmp function in bitmap_io.c in potrace before 1.13 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted BMP image, a different vulnerability than CVE-2016-8694 and CVE-2016-8696.
http://www.securityfocus.com/bid/93778
http://www.openwall.com/lists/oss-security/2016/10/16/12