Google issues new Chrome browser security update.
If you are anything like me then I’ll bet you are somewhat conflicted when it comes to the seemingly never-ending flow of security updates for your Chrome web browser. After all, unless you are an iOS app user, hardly a week or two goes by without a new bunch of security vulnerabilities being discovered by researchers that are serious enough to require fixing, and fixing quickly. This is, on the one hand, a good thing as it means Google is taking your security seriously and keeping Chrome as safe as possible; on the other, it’s a monumental pain in the backside to find yourself constantly being advised to update now. On the positive side of the security fence, however, at least the Google Chrome security update process is an automatic thing. Right? Well, kind of. If you want to be protected from the latest trio of security vulnerabilities, that automation only works if you do one critical thing. Here’s what you need to know and do right now.
Google Validates Trio Of New Chrome Security Vulnerabilities
Google has confirmed that a trio of new security vulnerabilities have been discovered by external security researchers, or hackers as I like to call them, impacting the Chrome web browser across all platforms apart from iOS. Although, as is ways the case with these security issues, Google is not making the full technical details of what these vulnerabilities entail public until such a time as the majority of Chrome users have had the opportunity to update their apps, here’s what we do know at this point.
- CVE-2025-0999 is a high-severity heap buffer overflow security issue affecting the V8 JavaScript rendering engine.
- CVE-2025-1426 is a high-severity heap buffer overflow security issue affecting the Chrome browser GPU.
- CVE-2025-1426 is a medium-severity use after free memory security issue affecting the network.
Google Chrome Security Update To Versions 133.0.6943.121/.126/.127
Google has said that the stable channels for all Android, Linux, Mac and Windows users of the Chrome web browser client have now been updated to the following versions: 133.0.6943.121 for Android, 133.0.6943.126 for Linux and 133.0.6943.126/.127 for Mac and Windows. These updates will start rolling out “over the coming days and weeks,” according to Google, but given the seriousness of the vulnerabilities involved, it is obviously far safer to ensure that your Chrome app is updated as soon as possible. By which I mean immediately. And that’s where things get a little more involved than you might imagine, considering the process is supposedly an automated one for the vast majority of users across platforms. Especially if you, like me and so many other web browser users, like to keep a ridiculous number of tabs open at any given time.
Do This 1 Thing Or Your Chrome Browser Won’t Be Protected From Attack
This should be the most straightforward of user guides ever. After all, Chrome updates automatically, right? Well, sort of. If you leave things alone, then Chrome will, indeed, eventually just update itself, and you’ll be presented with a prompt to restart it once that update is ready to be activated. But here’s the problem: that takes time, which I can assure you attackers will be leveraging against you. Far better to kick-start the process yourself and ensure you get updated as soon as possible. This is easy enough: head to the Help|About option in the Google Chrome menu, and a check for any updates will execute and offer to install if available.
So, what’s the one thing I have mentioned that’s so critical for your protection? It’s that restart. Unless you restart your Chrome browser, the update won’t be activated, and you won’t be protected. You need to relaunch the browser, it’s the last cog in the update wheel. So, save your tabs, think of it as a good opportunity to free up some memory and clear out the stuff that you don’t really need, and hit that button.