Use after free in libxml2 before 2.9.5, as used in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
https://www.debian.org/security/2018/dsa-4086
https://security.gentoo.org/glsa/201801-03
https://lists.debian.org/debian-lts-announce/2017/12/msg00014.html
https://chromereleases.googleblog.com/2017/12/stable-channel-update-for-desktop.html
https://bugzilla.gnome.org/show_bug.cgi?id=783160
https://access.redhat.com/errata/RHSA-2018:0287