libarchive before 3.2.0 does not limit the number of recursive decompressions, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted gzip file.
https://security.gentoo.org/glsa/201701-03
https://github.com/libarchive/libarchive/issues/660
https://github.com/libarchive/libarchive/commit/6e06b1c89dd0d16f74894eac4cfc1327a06ee4a0
https://bugzilla.redhat.com/show_bug.cgi?id=1347086
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207362
http://www.securityfocus.com/bid/92901
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.openwall.com/lists/oss-security/2016/09/08/18
http://www.openwall.com/lists/oss-security/2016/09/08/15