Inappropriate implementation in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to bypass HTML validators via a crafted HTML page.
https://www.debian.org/security/2020/dsa-4638
https://security.gentoo.org/glsa/202003-08
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html
https://access.redhat.com/errata/RHSA-2020:0514
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html