The archive_le32dec function in archive_endian.h in libarchive 3.2.2 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.
https://www.debian.org/security/2018/dsa-4360
https://usn.ubuntu.com/3736-1/
https://security.gentoo.org/glsa/201710-19
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html