seeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (assertion failure and crash) via a crafted ZIP file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-15050
https://blogs.gentoo.org/ago/2017/02/09/zziplib-assertion-failure-in-seeko-c/