The 'globbing' feature in curl before version 7.51.0 has a flaw that leads to integer overflow and out-of-bounds read via user controlled input.
https://www.tenable.com/security/tns-2016-21
https://security.gentoo.org/glsa/201701-47
https://curl.haxx.se/docs/adv_20161102F.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620
https://access.redhat.com/errata/RHSA-2018:3558
http://www.securitytracker.com/id/1037192
http://www.securityfocus.com/bid/94102
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html