Mozilla Firefox before 46.0 on Android does not properly restrict JavaScript access to orientation and motion data, which allows remote attackers to obtain sensitive information about a device's physical environment, and possibly discover PIN values, via a crafted web site, a similar issue to CVE-2016-1780.
https://security.gentoo.org/glsa/201701-15
https://bugzilla.mozilla.org/show_bug.cgi?id=1197901
http://www.securitytracker.com/id/1035692
http://www.mozilla.org/security/announce/2016/mfsa2016-43.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html