A precision error in Skia in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.
https://www.debian.org/security/2018/dsa-4237
https://www.debian.org/security/2018/dsa-4220
https://security.gentoo.org/glsa/201810-01
https://access.redhat.com/errata/RHSA-2018:2113