It was reported that WebKit/Source/core/layout/LayoutBlock.cpp in Blink, as used in Google Chrome before 49.0.2623.75, does not properly determine when anonymous block wrappers may exist, which allows remote attackers to cause a denial of service (incorrect cast and assertion failure) or possibly have unspecified other impact via crafted JavaScript code. External Reference: https://codereview.chromium.org/1423573002
This issue has been addressed in the following products: Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2016:0359 https://rhn.redhat.com/errata/RHSA-2016-0359.html