The zzip_mem_entry_new function in memdisk.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ZIP file.
https://blogs.gentoo.org/ago/2017/02/09/zziplib-out-of-bounds-read-in-zzip_mem_entry_new-memdisk-c/