The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."
https://security.gentoo.org/glsa/201605-06
https://bugzilla.mozilla.org/show_bug.cgi?id=1171603
http://www.ubuntu.com/usn/USN-2712-1
http://www.ubuntu.com/usn/USN-2702-3
http://www.ubuntu.com/usn/USN-2702-2
http://www.ubuntu.com/usn/USN-2702-1
http://www.securitytracker.com/id/1033372
http://www.securitytracker.com/id/1033247
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2015/mfsa2015-90.html
http://www.debian.org/security/2015/dsa-3410
http://www.debian.org/security/2015/dsa-3333
http://rhn.redhat.com/errata/RHSA-2015-1682.html
http://rhn.redhat.com/errata/RHSA-2015-1586.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html