Inappropriate implementation in Bookmarks in Google Chrome prior to 59 for iOS allowed a remote attacker who convinced the user to perform certain operations to run JavaScript on chrome:// pages via a crafted bookmark.
https://security.gentoo.org/glsa/201706-20
https://chromereleases.googleblog.com/2017/06/stable-channel-update-for-desktop.html
https://access.redhat.com/errata/RHSA-2017:1399