libautotrace.a in AutoTrace 0.31.1 has a stack-based buffer overflow in the pnmscanner_gettoken function in input-pnm.c:458:12.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-18098
https://blogs.gentoo.org/ago/2017/05/20/autotrace-multiple-vulnerabilities-the-autotrace-nightmare/