Object lifecycle issue in SwiftShader in Google Chrome prior to 75.0.3770.80 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
https://security.gentoo.org/glsa/201908-18
https://chromereleases.googleblog.com/2019/06/stable-channel-update-for-desktop.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00085.html