An asynchronous generator may return an incorrect state in V8 in Google Chrome prior to 66.0.3359.117 allowing a remote attacker to potentially exploit object corruption via a crafted HTML page.
https://www.debian.org/security/2018/dsa-4182
https://security.gentoo.org/glsa/201804-22
https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html