Author Archives: Prudhvikumar Bommana

Stable Channel Update for Desktop

The Stable channel has been updated to 93.0.4577.82 for Windows, Mac and Linux 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 11 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.


[$7500][1237533] High CVE-2021-30625: Use after free in Selection API. Reported by Marcin Towalski of Cisco Talos on 2021-08-06

[$7500][1241036] High CVE-2021-30626: Out of bounds memory access in ANGLE. Reported by Jeonghoon Shin of Theori on 2021-08-18

[$5000][1245786] High CVE-2021-30627: Type Confusion in Blink layout. Reported by Aki Helin of OUSPG on 2021-09-01

[$TBD][1241123] High CVE-2021-30628: Stack buffer overflow in ANGLE. Reported by Jaehun Jeong(@n3sk) of Theori on 2021-08-18

[$TBD][1243646] High CVE-2021-30629: Use after free in Permissions. Reported by Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at Qi'anxin Group on 2021-08-26

[$TBD][1244568] High CVE-2021-30630: Inappropriate implementation in Blink . Reported by SorryMybad (@S0rryMybad) of Kunlun Lab on 2021-08-30

[$TBD][1246932] High CVE-2021-30631: Type Confusion in Blink layout. Reported by Atte Kettunen of OUSPG on 2021-09-06

[$TBD][1247763] High CVE-2021-30632: Out of bounds write in V8. Reported by Anonymous on 2021-09-08

[$TBD][1247766] High CVE-2021-30633: Use after free in Indexed DB API. Reported by Anonymous on 2021-09-08


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 exploits for CVE-2021-30632 and CVE-2021-30633 exist in the wild.


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

[1249027] Various fixes from internal audits, fuzzing and other initiatives




Prudhvikumar Bommana
Google Chrome

Dev Channel Update for Desktop

The Dev channel has been updated to 95.0.4636.4 for Windows, Linux and Mac

A partial list of changes is available in the log. Interested in switching release channels? Find out how. 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.



Prudhvikumar Bommana

Google Chrome

Dev Channel Update for Desktop

The Dev channel has been updated to 95.0.4628.3 for Windows, Linux and Mac

A partial list of changes is available in the log. Interested in switching release channels? Find out how. 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.



Prudhvikumar Bommana

Google Chrome

Beta Channel Update for Desktop

The Beta channel has been updated to 94.0.4606.31 for Windows and linux, 94.0.4606.30 for Mac.


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.




Prudhvikumar Bommana
Google Chrome

Stable Channel Update for Desktop

The Chrome team is delighted to announce the promotion of Chrome 93 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks.


Chrome 93.0.4577.63 contains a number of fixes and improvements -- a list of changes is available in the log. Watch out for upcoming Chrome and Chromium blog posts about new features and big efforts delivered in 93.

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


[$20000][1233975] High CVE-2021-30606: Use after free in Blink. Reported by Nan Wang (@eternalsakura13) and koocola (@alo_cook) of 360 Alpha Lab on 2021-07-28

[$10000][1235949] High CVE-2021-30607: Use after free in Permissions. Reported by Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at Qi'anxin Group on 2021-08-03

[$7500][1219870] High CVE-2021-30608: Use after free in Web Share. Reported by Huyna at Viettel Cyber Security on 2021-06-15

[$5000][1239595] High CVE-2021-30609: Use after free in Sign-In. Reported by raven (@raid_akame)  on 2021-08-13

[$N/A][1200440] High CVE-2021-30610: Use after free in Extensions API. Reported by Igor Bukanov from Vivaldi on 2021-04-19

[$20000][1233942] Medium CVE-2021-30611: Use after free in WebRTC. Reported by Nan Wang (@eternalsakura13) and koocola (@alo_cook) of 360 Alpha Lab on 2021-07-28

[$20000][1234284] Medium CVE-2021-30612: Use after free in WebRTC. Reported by Nan Wang (@eternalsakura13) and koocola (@alo_cook) of 360 Alpha Lab on 2021-07-29

[$15000][1209622] Medium CVE-2021-30613: Use after free in Base internals. Reported by Yangkang (@dnpushme) of 360 ATA on 2021-05-16

[$10000][1207315] Medium CVE-2021-30614: Heap buffer overflow in TabStrip. Reported by Huinian Yang (@vmth6) of Amber Security Lab, OPPO Mobile Telecommunications Corp. Ltd.  on 2021-05-10

[$5000][1208614] Medium CVE-2021-30615: Cross-origin data leak in Navigation. Reported by NDevTK on 2021-05-12

[$5000][1231432] Medium CVE-2021-30616: Use after free in Media. Reported by Anonymous on 2021-07-21

[$3000][1226909] Medium CVE-2021-30617: Policy bypass in Blink. Reported by NDevTK on 2021-07-07

[$3000][1232279] Medium CVE-2021-30618: Inappropriate implementation in DevTools. Reported by @DanAmodio and @mattaustin from Contrast Security on 2021-07-23

[$3000][1235222] Medium CVE-2021-30619: UI Spoofing in Autofill. Reported by Alesandro Ortiz on 2021-08-02

[$NA][1063518] Medium CVE-2021-30620: Insufficient policy enforcement in Blink. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-03-20

[$NA][1204722] Medium CVE-2021-30621: UI Spoofing in Autofill. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-04-30

[$NA][1224419] Medium CVE-2021-30622: Use after free in WebApp Installs. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2021-06-28

[$10000][1223667] Low CVE-2021-30623: Use after free in Bookmarks. Reported by Leecraso and Guang Gong of 360 Alpha Lab on 2021-06-25

[$TBD][1230513] Low CVE-2021-30624: Use after free in Autofill. Reported by Wei Yuan of MoyunSec VLab on 2021-07-19


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:

  • [1245324] 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.



Prudhvikumar Bommana
Google Chrome

Beta Channel Update for Desktop

 The Beta channel has been updated to 93.0.4577.58 for Windows, linux and Mac.


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.




Prudhvikumar Bommana
Google Chrome

Beta Channel Update for Desktop

The Beta channel has been updated to 93.0.4577.51 for Windows, linux and Mac.


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.




Prudhvikumar Bommana
Google Chrome

Beta Channel Update for Desktop

The Beta channel has been updated to 93.0.4577.25 for Windows, linux and Mac.


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.



Prudhvikumar Bommana

Beta Channel Update for Desktop

The Chrome team is excited to announce the promotion of Chrome 93 to the Beta channel for Windows, Mac and Linux. Chrome 93.0.4577.18 contains our usual under-the-hood performance and stability tweaks, but there are also some cool new features to explore - please head to the Chromium blog to learn more!



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 BommanaGoogle Chrome

Dev Channel Update for Desktop

The Dev channel has been updated to 93.0.4577.18 for Windows, Linux and Mac.

A partial list of changes is available in the log. Interested in switching release channels? Find out how. 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.


Prudhvikumar Bommana

Google Chrome