March 22, 2023

Google rolled out new security update for Chrome, to address 20 vulnerabilities in the browser, including 16 reported by external researchers. 15 are rated high severity. Nearly half of them are use-after-free bugs affecting various components of the browser.


The most severe of these issues affects the web apps component. Tracked as CVE-2021-4052, Next in line is CVE-2021-4053, a security hole in Chrome’s UI component. Next update also addresses an incorrect security UI in autofill (CVE-2021-4054) and a heap buffer overflow in extensions (CVE-2021-4055).

Others include, five were use-after-free vulnerabilities patched in components such as API, developer tools, screen capture, autofill, and window manager.

The remaining flaws include heap buffer overflows (in ANGLE and BFCache), type confusion (in loader and V8), insufficient data validation in loader, and integer underflow in ANGLE.


Google also addressed an issue described as “insufficient validation of untrusted input in new tab page.” Tracked as CVE-2021-4068 and considered low severity. The latest Chrome release is now rolling out to Windows, Mac and Linux users as version 96.0.4664.93.

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