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             AUSCERT External Security Bulletin Redistribution

 Release updates from the Chrome team - Stable Channel Update for Desktop
                             22 September 2021


        AusCERT Security Bulletin Summary

Product:           Google Chrome
Publisher:         Google
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Confidential Data -- Unknown/Unspecified
                   Reduced Security         -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-37972 CVE-2021-37971 CVE-2021-37969
                   CVE-2021-37968 CVE-2021-37966 CVE-2021-37965
                   CVE-2021-37964 CVE-2021-37963 CVE-2021-37962
                   CVE-2021-37961 CVE-2021-37960 CVE-2021-37959
                   CVE-2021-37958 CVE-2021-37957 CVE-2021-37956

Original Bulletin: 

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Chrome Releases

Release updates from the Chrome team

Stable Channel Update for Desktop

Tuesday, September 21, 2021

The Chrome team is delighted to announce the promotion of Chrome 94 to the
stable channel for Windows, Mac and Linux.Chrome 94 is also promoted to our new
extended stable channel for Windows and Mac. This will roll out over the coming

Chrome 94.0.4606.54 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 94.

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 19 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

[$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

[$TBD][1247196] High CVE-2021-37960 : Inappropriate implementation in Blink
graphics. Reported by Atte Kettunen of OUSPG on 2021-09-07

[$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

[$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

[$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

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:

  o [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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