Insufficient validation of untrusted input in PPAPI Plugins in Google Chrome prior to 60.0.3112.78 for Windows allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
https://security.gentoo.org/glsa/201709-15
https://chromereleases.googleblog.com/2017/07/stable-channel-update-for-desktop.html
https://access.redhat.com/errata/RHSA-2017:1833