Stack-based buffer overflow in the parse_device function in archive_read_support_format_mtree.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a crafted mtree file.
https://security.gentoo.org/glsa/201701-03
https://github.com/libarchive/libarchive/issues/715
https://github.com/libarchive/libarchive/commit/a550daeecf6bc689ade371349892ea17b5b97c77
https://bugzilla.redhat.com/show_bug.cgi?id=1348441
http://www.securityfocus.com/bid/91328
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html