121 addresses CVE-2019-5786, a Use-After-Free (UAF) vulnerability in FileReader, an application programming interface (API) included in browsers to allow web applications to read the contents of files stored on a user’s computer.

Why it is important to update your browser? If there is exploit code available for that vulnerability, it’s a “zero day” exploit, with “zero” referring to the number of days since a patch has been available to the public. Until they release a patch, it is considered a “zero day” vulnerability. Once a bug is discovered, software vendors have a very limited time (zero days) in which they need to fix the issue. You can also call them unknown vulnerabilities, because they aren’t discovered by software vendors until the software has already been released. The vulnerability, which affects the browser in Windows, Mac, and Linux, was reported by Clement Lecigne of Google’s Threat Analysis Group on February 27.Ī zero-day or 0day vulnerability is a bug or flaw in a code that has been discovered and disclosed but not yet patched.

“Also, seriously, update your Chrome installs. (Sometimes these may be a little rough around the edges.

Justin Schuh, Google Chrome's security lead and engineering director, warned users to immediately update Chrome browser after the critical bug was discovered. Keeping Chrome up to date allows you to take advantage of the latest Chrome features and security updates to keep you productive. Welcome to Chrome Beta for Android Preview the latest features: Try out the newest features.

Update google chrome 2019