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Stable Channel Update 96.0.4664.93 for Desktop

The Stable channel has been updated to 96.0.4664.93 for Windows, Mac and Linux which will roll out over the coming days/weeks. Extended stable channel has also been updated to 96.0.4664.93 for Windows and Mac which will roll out over the coming days/weeks.

A full list of changes in this build is available in the log. Interested in switching release channels? Find out how here. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues

Security Fixes and Rewards

Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. 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.

This update includes 20 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.

[$15000][1267661] High CVE-2021-4052: Use after free in web apps. Reported by Wei Yuan of MoyunSec VLab on 2021-11-07

[$10000][1267791] High CVE-2021-4053: Use after free in UI. Reported by Rox on 2021-11-08

[$5000][1239760] High CVE-2021-4054: Incorrect security UI in autofill. Reported by Alesandro Ortiz on 2021-08-13

[$1000][1266510] High CVE-2021-4055: Heap buffer overflow in extensions. Reported by Chen Rong on 2021-11-03

[$TBD][1260939] High CVE-2021-4056: Type Confusion in loader. Reported by @__R0ng of 360 Alpha Lab on 2021-10-18

[$TBD][1262183] High CVE-2021-4057: Use after free in file API. Reported by Sergei Glazunov of Google Project Zero on 2021-10-21

[$TBD][1267496] High CVE-2021-4058: Heap buffer overflow in ANGLE. Reported by Abraruddin Khan and Omair on 2021-11-06

[$TBD][1270990] High CVE-2021-4059: Insufficient data validation in loader. Reported by Luan Herrera (@lbherrera_) on 2021-11-17

[$TBD][1271456] High CVE-2021-4061: Type Confusion in V8. Reported by Paolo Severini on 2021-11-18

[$TBD][1272403] High CVE-2021-4062: Heap buffer overflow in BFCache. Reported by Leecraso and Guang Gong of 360 Alpha Lab on 2021-11-22

[$TBD][1273176] High CVE-2021-4063: Use after free in developer tools. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-11-23

[$TBD][1273197] High CVE-2021-4064: Use after free in screen capture. Reported by @ginggilBesel on 2021-11-23

[$TBD][1273674] High CVE-2021-4065: Use after free in autofill. Reported by 5n1p3r0010 on 2021-11-25

[$TBD][1274499] High CVE-2021-4066: Integer underflow in ANGLE. Reported by Jaehun Jeong(@n3sk) of Theori on 2021-11-29

[$TBD][1274641] High CVE-2021-4067: Use after free in window manager. Reported by @ginggilBesel on 2021-11-29

[$500][1265197] Low CVE-2021-4068: Insufficient validation of untrusted input in new tab page. Reported by NDevTK on 2021-10-31

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.
As usual, our ongoing internal security work was responsible for a wide range of fixes:

  • [1276568] Various fixes from internal audits, fuzzing and other initiatives

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.

Interested in switching release channels? Find out how here. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.

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