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                             CERT-Renater

                 Note d'Information No. 2021/VULN546
_____________________________________________________________________

DATE                : 20/10/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Google Chrome versions prior to
                                      95.0.4638.54.

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https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html
_____________________________________________________________________

Stable Channel Update for Desktop

Tuesday, October 19, 2021

The Chrome team is delighted to announce the promotion of Chrome 95 to
the stable channel for Windows, Mac and Linux. This will roll out over
the coming days/weeks.

Chrome 95.0.4638.54 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
95.


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.

[$20000][1246631] High CVE-2021-37981 : Heap buffer overflow in Skia.
Reported by Yangkang (@dnpushme) of 360 ATA on 2021-09-04

[$10000][1248661] High CVE-2021-37982 : Use after free in Incognito.
Reported by Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at
Qi'anxin Group on 2021-09-11

[$10000][1249810] High CVE-2021-37983 : Use after free in Dev Tools.
Reported by Zhihua Yao of KunLun Lab on 2021-09-15

[$7500][1253399] High CVE-2021-37984 : Heap buffer overflow in PDFium.
Reported by Antti Levomaki, Joonas Pihlaja and Christian Jalio from
Forcepoint on 2021-09-27

[$5000][1241860] High CVE-2021-37985 : Use after free in V8. Reported by
Yangkang (@dnpushme) of 360 ATA on 2021-08-20

[$6000][1242404] Medium CVE-2021-37986 : Heap buffer overflow in
Settings. Reported by raven (@raid_akame)  on 2021-08-23

[$5000][1206928] Medium CVE-2021-37987 : Use after free in Network APIs.
Reported by Yangkang (@dnpushme) of 360 ATA on 2021-05-08

[$5000][1228248] Medium CVE-2021-37988 : Use after free in Profiles.
Reported by raven (@raid_akame)  on 2021-07-12

[$2000][1233067] Medium CVE-2021-37989 : Inappropriate implementation in
Blink. Reported by Matt Dyas, Ankur Sundara on 2021-07-26

[$N/A][1247395] Medium CVE-2021-37990 : Inappropriate implementation in
WebView. Reported by Kareem Selim of CyShield on 2021-09-07

[$TBD][1250660] Medium CVE-2021-37991 : Race in V8. Reported by Samuel
Gross of Google Project Zero on 2021-09-17

[$TBD][1253746] Medium CVE-2021-37992 : Out of bounds read in WebAudio.
Reported by sunburst@Ant Security Light-Year Lab on 2021-09-28

[$TBD][1255332] Medium CVE-2021-37993 : Use after free in PDF
Accessibility. Reported by Cassidy Kim of Amber Security Lab, OPPO
Mobile Telecommunications Corp. Ltd. on 2021-10-02

[$TBD][1243020] Medium CVE-2021-37996 : Insufficient validation of
untrusted input in Downloads. Reported by Anonymous on 2021-08-24

[$3000][1100761] Low CVE-2021-37994 : Inappropriate implementation in
iFrame Sandbox. Reported by David Erceg on 2020-06-30

[$1000][1242315] Low CVE-2021-37995 : Inappropriate implementation in WebApp
Installer. Reported by Terence Eden on 2021-08-23

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 [1261511] 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

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