Firejail before 0.9.44.6 and 0.9.38.x LTS before 0.9.38.10 LTS does not comprehensively address dotfile cases during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-5180.
www.openwall.com/lists/oss-security/2017/01/31/16
www.securityfocus.com/bid/96221
firejail.wordpress.com/download-2/release-notes/
github.com/netblue30/firejail/commit/38d418505e9ee2d326557e5639e8da49c298858f
github.com/netblue30/firejail/commit/903fd8a0789ca3cc3c21d84cd0282481515592ef
github.com/netblue30/firejail/commit/b8a4ff9775318ca5e679183884a6a63f3da8f863
security.gentoo.org/glsa/201702-03