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AUSCERT External Security Bulletin Redistribution
Stable Channel Update for Desktop
21 October 2020
AusCERT Security Bulletin Summary
Product: Google Chrome
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified
Denial of Service -- Unknown/Unspecified
Reduced Security -- Unknown/Unspecified
CVE Names: CVE-2020-16003 CVE-2020-16002 CVE-2020-16001
Comment: Google is aware of reports that an exploit for CVE-2020-15999 exists in the
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Release updates from the Chrome team
Stable Channel Update for Desktop
Tuesday, October 20, 2020
The stable channel has been updated to 86.0.4240.111 for Windows, Mac & Linux
which will roll out over the coming days/weeks.
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.
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 5 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
[$500] High CVE-2020-16000: Inappropriate implementation in Blink.
Reported by amaebi_jp on 2020-09-06
[$TBD] High CVE-2020-16001: Use after free in media. Reported by
Khalil Zhani on 2020-10-05
[$TBD] High CVE-2020-16002: Use after free in PDFium. Reported by
Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at Qi'anxin Group on
[$NA] High CVE-2020-15999: Heap buffer overflow in Freetype. Reported
by Sergei Glazunov of Google Project Zero on 2020-10-19
[$3000] Medium CVE-2020-16003: Use after free in printing. Reported by
Khalil Zhani on 2020-10-04
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
Google is aware of reports that an exploit for CVE-2020-15999 exists in the
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer,
UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
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