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AUSCERT External Security Bulletin Redistribution
Google Chrome Update
16 June 2020
AusCERT Security Bulletin Summary
Product: Google Chrome
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
CVE Names: CVE-2020-6507 CVE-2020-6506 CVE-2020-6505
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Release updates from the Chrome team
Stable Channel Update for Desktop
Monday, June 15, 2020
The stable channel has been updated to 83.0.4103.106 for Windows, Mac, and
Linux, which will roll out over the coming days/weeks
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 4 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page
for more information.
[$15000] High CVE-2020-6505: Use after free in speech.
Reported by Khalil Zhani on 2020-05-11
[$15000] High CVE-2020-6506: Insufficient policy enforcement in WebView.
Reported by Alesandro Ortiz on 2020-05-18
[$N/A] High CVE-2020-6507: Out of bounds write in V8.
Reported by Sergei Glazunov of Google Project Zero on 2020-05-27
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:
 Various fixes from internal audits, fuzzing and other initiative.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer,
UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
A list of all 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.
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