libautotrace.a in AutoTrace 0.31.1 has a heap-based buffer over-read in the pnm_load_raw function in input-pnm.c:346:41.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-18090
https://blogs.gentoo.org/ago/2017/05/20/autotrace-multiple-vulnerabilities-the-autotrace-nightmare/