High CVE-2021-4055: Heap buffer overflow in extensions. Reported by Nan and Guang Gong of 360 Alpha Lab on High CVE-2021-4078: Type confusion in V8. High CVE-2021-4054: Incorrect security UI in autofill. High CVE-2021-4079: Out of bounds write in WebRTC. High CVE-2021-4053: Use after free in UI. Reported by Wei Yuan of MoyunSec VLab on High CVE-2021-4052: Use after free in web apps. Please see the Chrome Security Page for more information. Below, we highlight fixes that were contributed by external researchers. 93 for Windows and Mac which will roll out over the coming days/weeks Extended stable channel has also been updated to. 93 for Windows, Mac and Linux which will roll out over the coming days/weeks. The community help forum is also a great place to reach out for help or learn about common issues. If you find a new issue, please let us know by filing a bug. Interested in switching release channels? Find out how here. Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL. We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel. Google is aware of reports that an exploit for CVE-2021-4102 exists in the wild. High CVE-2021-4102: Use after free in V8. Reported by Abraruddin Khan and Omair on High CVE-2021-4101: Heap buffer overflow in Swiftshader. High CVE-2021-4100: Object lifecycle issue in ANGLE. High CVE-2021-4099: Use after free in Swiftshader. Reported by Sergei Glazunov of Google Project Zero on Critical CVE-2021-4098: Insufficient data validation in Mojo. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed. Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. The community help forum is also a great place to reach out for help or learn about common issues 110 for Windows and Mac which will roll out over the coming days/weeksĪ full list of changes in this build is available in the log. 110 for Windows, Mac and Linux which will roll out over the coming days/weeks.

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