The Beta channel has been updated to 94.0.4606.69 (Platform version: 14150.46.0) for most Chrome OS devices. This build contains a number of bug fixes, security updates and feature enhancements. 



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Hi, everyone! We've just released Chrome 94 (94.0.4606.71) for Android: it'll become available on Google Play over the next few days.This release includes stability and performance improvements. You can see a full list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

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[$TBD][1252918] High CVE-2021-37975 : Use after free in V8. Reported by Anonymous on 2021-09-24
[$NA][1251787] Medium CVE-2021-37976 : Information leak in core. Reported by Clément Lecigne from Google TAG, with technical assistance from Sergei Glazunov and Mark Brand from Google Project Zero on 2021-09-21

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 the exploits for CVE-2021-37975 and CVE-2021-37976 exist in the wild. 


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

  • [1254756] 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.



Srinivas Sista
Google Chrome
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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 issues, 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.


Prudhvikumar Bommana
Google Chrome
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If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 vertical dots in the upper right corner of the browser). 

Daniel Gagnon,
Google Chrome OS
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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 1 security fix. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.


[$NA][1251727] High CVE-2021-37973 : Use after free in Portals. Reported by Clément Lecigne from Google TAG, with technical assistance from Sergei Glazunov and Mark Brand from Google Project Zero on 2021-09-21


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 that an exploit for CVE-2021-37973 exists in the wild. 


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.



Srinivas Sista
Google Chrome
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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 issues, 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.



Prudhvikumar Bommana Google Chrome
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Matt Nelson


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


[$15000][1243117] High CVE-2021-37956: Use after free in Offline use. Reported by Huyna at Viettel Cyber Security on 2021-08-24

[$7500][1242269] High CVE-2021-37957 : Use after free in WebGPU. Reported by Looben Yang on 2021-08-23

[$5000][1237730] High CVE-2021-4318: Object corruption in Blink. Reported by Rene Freingruber (@ReneFreingruber) on 2021-08-08

[$3000][1223290] High CVE-2021-37958 : Inappropriate implementation in Navigation. Reported by James Lee (@Windowsrcer) on 2021-06-24

[$1000][1229625] High CVE-2021-37959 : Use after free in Task Manager. Reported by raven (@raid_akame)  on 2021-07-15

[$10000][1228557] Medium CVE-2021-37961 : Use after free in Tab Strip. Reported by Khalil Zhani on 2021-07-13

[$10000][1231933] Medium CVE-2021-37962 : Use after free in Performance Manager. Reported by Sri on 2021-07-22

[$3000][1199865] Medium CVE-2021-37963 : Side-channel information leakage in DevTools. Reported by Daniel Genkin and Ayush Agarwal, University of Michigan, Eyal Ronen and Shaked Yehezkel, Tel Aviv University, Sioli O’Connell, University of Adelaide, and Jason Kim, Georgia Institute of Technology  on 2021-04-16

[$3000][1203612] Medium CVE-2021-37964 : Inappropriate implementation in ChromeOS Networking. Reported by Hugo Hue and Sze Yiu Chau of the Chinese University of Hong Kong on 2021-04-28

[$3000][1239709] Medium CVE-2021-37965 : Inappropriate implementation in Background Fetch API. Reported by Maurice Dauer  on 2021-08-13

[$TBD][1238944] Medium CVE-2021-37966 : Inappropriate implementation in Compositing. Reported by Mohit Raj (shadow2639)  on 2021-08-11

[$TBD][1243622] Medium CVE-2021-37967 : Inappropriate implementation in Background Fetch API. Reported by SorryMybad (@S0rryMybad) of Kunlun Lab on 2021-08-26

[$TBD][1245053] Medium CVE-2021-37968 : Inappropriate implementation in Background Fetch API. Reported by Maurice Dauer  on 2021-08-30

[$TBD][1245879] Medium CVE-2021-37969 : Inappropriate implementation in Google Updater. Reported by Abdelhamid Naceri (halov) on 2021-09-02

[$TBD][1248030] Medium CVE-2021-37970 : Use after free in File System API. Reported by SorryMybad (@S0rryMybad) of Kunlun Lab on 2021-09-09

[$1000][1219354] Low CVE-2021-37971 : Incorrect security UI in Web Browser UI. Reported by Rayyan Bijoora on 2021-06-13

[$TBD][1234259] Low CVE-2021-37972 : Out of bounds read in libjpeg-turbo. Reported by Xu Hanyu and Lu Yutao from Panguite-Forensics-Lab of Qianxin on 2021-07-29


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:

  • [1251653] 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.




Srinivas Sista
Google Chrome


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