Directory traversal vulnerability in libtransmission/metainfo.c in Transmission 1.22, 1.34, 1.75, and 1.76 allows remote attackers to overwrite arbitrary files via a .. (dot dot) in a pathname within a .torrent file.
https://launchpad.net/bugs/500625
https://exchange.xforce.ibmcloud.com/vulnerabilities/55454
http://www.vupen.com/english/advisories/2010/0071
http://www.openwall.com/lists/oss-security/2010/01/06/4
http://www.openwall.com/lists/oss-security/2010/01/06/2
http://www.mail-archive.com/debian-devel-changes%40lists.debian.org/msg264483.html
http://www.debian.org/security/2010/dsa-1967
http://trac.transmissionbt.com/changeset/9829/
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html