Chrome zero-day

Google recently updated the Chrome browser and released the latest version Chrome 96.0.4664.110 with the patch for a critical zero-day vulnerability that was exploited in the wild and other four security flaws.

This latest version of Chrome is released for all the major platforms:-

  • Windows
  • Mac
  • Linux

To reach all the users at this moment this latest patch update could take some time since Chrome 96.0.4664.110 is just been released by Google and it has also started rolling out this update globally in the Stable Desktop channel.

No details were revealed regarding the Zero-day

In the Chrome V8 JavaScript engine, this zero-day bug is a use after free weakness, and it’s been tracked as CVE-2021-4102, which was reported by an anonymous security expert.

EHA

The systems running unpatched Chrome versions are vulnerable to this zero-day bug, and by exploiting this flaw an attacker can execute arbitrary code and also evade the security sandbox of the browser.

Due to security reasons, Google has not disclosed any details regarding this zero-day vulnerability, as Google has claimed that this will prevent the attackers from exploiting this bug.

In short, users have more than enough time to upgrade Chrome to the latest version until Google releases any extra details regarding the exploitation of this bug in the wild.

Total zero-day bugs detected this year

Along with this newly-discovered zero-day vulnerability, there is a total of 16 Chrome zero-day were fixed since the start of the year, and here they are mentioned below:-

  • CVE-2021-21148 – February 4th
  • CVE-2021-21166 – March 2nd
  • CVE-2021-21193 – March 12th
  • CVE-2021-21220 – April 13th
  • CVE-2021-21224 – April 20th
  • CVE-2021-30551 – June 9th
  • CVE-2021-30554 – June 17th
  • CVE-2021-30563 – July 15th
  • CVE-2021-30632 and CVE-2021-30633 – September 13th
  • CVE-2021-37973 – September 24th
  • CVE-2021-37976 and CVE-2021-37975 – September 30th
  • CVE-2021-38000 and CVE-2021-38003 – October 28th
  • CVE-2021-4102 – December 9th

How to update?

To check for the new update, what you have to do is follow the simple steps that we have mentioned below:-

  • Go to the Chrome menu option.
  • Then select the Help option.
  • And then select About Google Chrome. 

Once done, now your Chrome browser will check for the most recent updates and after the next launch, it will automatically update the browser.

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Gurubaran is a Security Consultant, Security Editor & Co-Founder of Cyber Security News & GBHackers On Security.