The UnacceleratedImageBufferSurface class in WebKit/Source/platform/graphics/UnacceleratedImageBufferSurface.cpp in Blink, as used in Google Chrome before 48.0.2564.82, mishandles the initialization mode, which allows remote attackers to obtain sensitive information from process memory via a crafted web site.
googlechromereleases.blogspot.com/2016/01/stable-channel-update_20.html
lists.opensuse.org/opensuse-security-announce/2016-01/msg00035.html
lists.opensuse.org/opensuse-security-announce/2016-01/msg00036.html
lists.opensuse.org/opensuse-security-announce/2016-01/msg00046.html
rhn.redhat.com/errata/RHSA-2016-0072.html
www.debian.org/security/2016/dsa-3456
www.securityfocus.com/bid/81430
www.securitytracker.com/id/1034801
www.ubuntu.com/usn/USN-2877-1
code.google.com/p/chromium/issues/detail?id=544691
codereview.chromium.org/1407393002/
security.gentoo.org/glsa/201603-09