Use-after-free vulnerability in WebKit/Source/core/editing/VisibleUnits.cpp in Blink, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code involving an @import at-rule in a Cascading Style Sheets (CSS) token sequence in conjunction with a rel=import attribute of a LINK element.
https://security.gentoo.org/glsa/201610-09
https://codereview.chromium.org/2091633002
https://codereview.chromium.org/2082893005/
http://www.ubuntu.com/usn/USN-3041-1
http://www.securitytracker.com/id/1036428
http://www.securityfocus.com/bid/92053
http://www.debian.org/security/2016/dsa-3637
http://rhn.redhat.com/errata/RHSA-2016-1485.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00020.html
http://googlechromereleases.blogspot.com/2016/07/stable-channel-update.html