The LoadIC::UpdateCaches function in ic/ic.cc in Google V8, as used in Google Chrome before 48.0.2564.82, does not ensure receiver compatibility before performing a cast of an unspecified variable, which allows remote attackers to cause a denial of service or possibly have unknown other impact via crafted JavaScript code.
https://security.gentoo.org/glsa/201603-09
https://codereview.chromium.org/1531583005
https://code.google.com/p/chromium/issues/detail?id=497632
https://chromium.googlesource.com/v8/v8/+/cfbd16172fa165cc33ce0e2e72f74e5561168a61
http://www.ubuntu.com/usn/USN-2877-1
http://www.securitytracker.com/id/1034801
http://www.securityfocus.com/bid/81431
http://www.debian.org/security/2016/dsa-3456
http://rhn.redhat.com/errata/RHSA-2016-0072.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00046.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00035.html
http://googlechromereleases.blogspot.com/2016/01/stable-channel-update_20.html