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July 21, 2021
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How To Fix The Chrome 0-day 2021 – Update Your Chrome As Soon As Possible
An advisory from Google for those who are using Chrome browser. Google added seven new issues to the ‘Chrome 0-day 2021’ list. It patched all seven issues including one 0-day in its latest update 91.0.4472.164.
Google has fixed the vulnerabilities and rolled out an update on 15th June. The company also said that the CVE-2021-30563 vulnerability is actively exploited in the wild. Please visit the Chrome Security A page for more information.
List of Vulnerabilities:
High:
CVE-2021-30559: Out of bounds write in ANGLE. Reported by Seong-Hwan Park (SeHwa) of SecunologyLab on 2021-06-11
CVE-2021-30541: Use after free in V8. Reported by Richard Wheeldon on 2021-05-31
CVE-2021-30560: Use after free in Blink XSLT. Reported by Nick Wellnhofer on 2021-06-12
CVE-2021-30561: Type Confusion in V8. Reported by Sergei Glazunov of Google Project Zero on 2021-06-14
CVE-2021-30562: Use after free in WebSerial. Reported by Anonymous on 2021-06-15
CVE-2021-30563: Type Confusion in V8. Reported by Anonymous on 2021-07-12
Medium:
CVE-2021-30564: Heap buffer overflow in WebXR. Reported by Ali Merchant, iQ3Connect VR Platform in 2021
Google’s Recommendation To Fix Chrome 0-Day 2021:
Google has fixed all these vulnerabilities and released an updated version on 15th July 2021. Please update your browser to version 91.0.4472.164 or above.
How To Update Chrome Browser?
The update procedure is very simple. It’s just a matter of a couple of clicks.
How To Update Chrome Browser?
Locket the three dots buttons at the top right corner of the window. A dropdown will appear.
Then select Help > About Google Chrome on the dropdown. The update will start by itself if your machine is connected to the internet.
3. After the update is completed, it asks to relaunch the browser to complete the update process.
4. Click on the Relaunch button. That’s it.
Thanks for reading this post. Please share this post with everybody who uses Chrome and make them aware of the new Chrome 0-Day 2021.
Arun KL
Arun KL is a cybersecurity professional with 15+ years of experience in IT infrastructure, cloud security, vulnerability management, Penetration Testing, security operations, and incident response. He is adept at designing and implementing robust security solutions to safeguard systems and data. Arun holds multiple industry certifications including CCNA, CCNA Security, RHCE, CEH, and AWS Security.
