Directory traversal vulnerability in the HTTP file-serving module (mod_http_files) in Prosody 0.9.x before 0.9.9 allows remote attackers to read arbitrary files via a .. (dot dot) in an unspecified path.
https://prosody.im/security/advisory_20160108-1/
https://prosody.im/issues/issue/520
http://www.openwall.com/lists/oss-security/2016/01/08/5
http://www.debian.org/security/2016/dsa-3439
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html