file_open in Tryton 3.x and 4.x through 4.2.2 allows remote authenticated users with certain permissions to read arbitrary files via a "same root name but with a suffix" attack. NOTE: This vulnerability exists because of an incomplete fix for CVE-2016-1242.
https://lists.debian.org/debian-security-announce/2017/msg00084.html
http://www.securityfocus.com/bid/97489
http://www.debian.org/security/2017/dsa-3826
http://hg.tryton.org/trytond?cmd=changeset%3Bnode=472510fdc6f8