Use-after-free vulnerability in the AppCache implementation in Google Chrome before 47.0.2526.73 allows remote attackers with renderer access to cause a denial of service or possibly have unspecified other impact by leveraging incorrect AppCacheUpdateJob behavior associated with duplicate cache selection.
http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
https://code.google.com/p/chromium/issues/detail?id=551044
https://codereview.chromium.org/1418783005/
https://security.gentoo.org/glsa/201603-09
http://www.debian.org/security/2015/dsa-3415