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                             CERT-Renater

                 Note d'Information No. 2021/VULN362
_____________________________________________________________________

DATE                : 19/07/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Google Chrome versions prior to
                                   91.0.4472.164.

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https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
_____________________________________________________________________


Stable Channel Update for Desktop
Thursday, July 15, 2021

The Stable channel has been updated to 91.0.4472.164 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 8 security fixes. Below, we highlight fixes that
were contributed by external researchers.

Please see the Chrome Security Pagfor more information.


[$7500][1219082] High CVE-2021-30559: Out of bounds write in ANGLE.
Reported by Seong-Hwan Park (SeHwa) of SecunologyLab on 2021-06-11

[$5000][1214842] High CVE-2021-30541: Use after free in V8. Reported
by Richard Wheeldon on 2021-05-31

[$N/A][1219209] High CVE-2021-30560: Use after free in Blink XSLT.
Reported by Nick Wellnhofer on 2021-06-12

[$TBD][1219630] High CVE-2021-30561: Type Confusion in V8. Reported
by Sergei Glazunov of Google Project Zero on 2021-06-14

[$TBD][1220078] High CVE-2021-30562: Use after free in WebSerial.
Reported by Anonymous on 2021-06-15

[$TBD][1228407] High CVE-2021-30563: Type Confusion in V8. Reported
by Anonymous on 2021-07-12

[$TBD][1221309] Medium CVE-2021-30564: Heap buffer overflow in WebXR.
Reported by Ali Merchant, iQ3Connect VR Platform on 2021-06-17


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 of reports that an exploit for CVE-2021-30563 exists in
the wild.


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

    [1229408] 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.



Srinivas Sista
Google Chrome


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+ CERT-RENATER       |    tel : 01-53-94-20-44          +
+ 23/25 Rue Daviel   |    fax : 01-53-94-20-41          +
+ 75013 Paris        |    email:cert@support.renater.fr +
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