Unspecified vulnerability in the browser engine in Mozilla Firefox ESR 38.x before 38.8 allows 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=1241731
http://www.ubuntu.com/usn/USN-2973-1
http://www.securitytracker.com/id/1035692
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.mozilla.org/security/announce/2016/mfsa2016-39.html
http://www.debian.org/security/2016/dsa-3576
http://www.debian.org/security/2016/dsa-3559
http://rhn.redhat.com/errata/RHSA-2016-1041.html
http://rhn.redhat.com/errata/RHSA-2016-0695.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00023.html