This week Samsung has started rolling out Android’s March security updates to mobile devices to patch critical security vulnerabilities in the runtime, operating system, and related components. Every vulnerability addressed by this update, has either a ‘High’ or ‘Critical’ severity rating, making this update a must for Android users so that their devices remain protected. These updates mainly comprise significant security fixes with a couple of enhancements across Samsung Galaxy built-in apps like Calendar, Display, Social Platform, and SmartThings. Google Play Protect has stepped up protections and made exploitation of Android vulnerabilities more challenging by adding security enhancements.
Source: https://www.bleepingcomputer.com/news/security/samsung-fixes-critical-android-bugs-in-march-2021-updates/