Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
https://security.gentoo.org/glsa/201701-15
https://bugzilla.mozilla.org/show_bug.cgi?id=1297099
https://bugzilla.mozilla.org/show_bug.cgi?id=1296087
https://bugzilla.mozilla.org/show_bug.cgi?id=1296078
https://bugzilla.mozilla.org/show_bug.cgi?id=1290244
https://bugzilla.mozilla.org/show_bug.cgi?id=1282746
https://bugzilla.mozilla.org/show_bug.cgi?id=1276413
https://bugzilla.mozilla.org/show_bug.cgi?id=1268034
http://www.securitytracker.com/id/1036852
http://www.securityfocus.com/bid/93052
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html