Directory traversal vulnerability in the safer_name_suffix function in GNU tar 1.14 through 1.29 might allow remote attackers to bypass an intended protection mechanism and write to arbitrary files via vectors related to improper sanitization of the file_name parameter, aka POINTYFEATHER.
git.savannah.gnu.org/cgit/tar.git/commit/?id=7340f67b9860ea0531c1450e5aa261c50f67165d
lists.gnu.org/archive/html/bug-tar/2016-10/msg00016.html
packetstormsecurity.com/files/139370/GNU-tar-1.29-Extract-Pathname-Bypass.html
seclists.org/fulldisclosure/2016/Oct/102
seclists.org/fulldisclosure/2016/Oct/96
www.debian.org/security/2016/dsa-3702
www.securityfocus.com/bid/93937
www.ubuntu.com/usn/USN-3132-1
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
security.gentoo.org/glsa/201611-19
sintonen.fi/advisories/tar-extract-pathname-bypass.proper.txt