Out of bounds write in V8 in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
https://www.debian.org/security/2021/dsa-4832
https://security.gentoo.org/glsa/202101-05
https://chromereleases.googleblog.com/2020/10/chrome-for-android-update_31.html