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AUSCERT External Security Bulletin Redistribution
ESB-2021.0387
Stable Channel Update for Desktop
3 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Google Chrome
Publisher: Google
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
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21147 CVE-2021-21145 CVE-2021-21144
CVE-2021-21143 CVE-2021-21142
Original Bulletin:
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html?
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Chrome Releases
Release updates from the Chrome team
Stable Channel Update for Desktop
Tuesday, February 2, 2021
The Stable channel has been updated to 88.0.4324.146 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 6 security fixes. Below, we highlight fixes that were
contributed by external researchers. Please see the Chrome Security Page for
more information.
[$20000][1169317] Critical CVE-2021-21142: Use after free in Payments .
Reported by Khalil Zhani on 2021-01-21
[$10000][1163504] High CVE-2021-21143: Heap buffer overflow in Extensions.
Reported by Allen Parker & Alex Morgan of MU on 2021-01-06
[$10000][1163845] High CVE-2021-21144: Heap buffer overflow in Tab Groups.
Reported by Leecraso and Guang Gong of 360 Alpha Lab on 2021-01-07
[$7500][1154965] High CVE-2021-21145: Use after free in Fonts. Reported by
Anonymous on 2020-12-03
[$TBD][1161705] High CVE-2021-21146: Use after free in Navigation. Reported by
Alison Huffman and Choongwoo Han of Microsoft Browser Vulnerability Research on
2020-12-24
[$5000][1162942] Medium CVE-2021-21147: Inappropriate implementation in Skia.
Reported by Roman Starkov on 2021-01-04
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
channel.
As usual, our ongoing internal security work was responsible for a wide range
of fixes:
* [1154775] 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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The University of Queensland
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