The Stable channel has been updated to 121.0.6167.139 for Mac and Linux and 121.0.6167.139/140 to Windows which will roll out over the coming days/weeks. A full list of changes in this build is available in the log.

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

[$5000][1511567] High CVE-2024-1060: Use after free in Canvas. Reported by Anonymous on 2023-12-14
[$3000][1514777] High CVE-2024-1059: Use after free in WebRTC. Reported by Cassidy Kim(@cassidy6564) on 2023-12-29
[N/A][1511085] High CVE-2024-1077: Use after free in Network. Reported by Microsoft Security Research Center on 2023-12-13

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:[1523290] Various fixes from internal audits, fuzzing and other initiatives

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzze