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The Chrome team is delighted to announce the promotion of Chrome 85 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks.

Chrome 85.0.4183.83 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 85

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 20 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.

[$N/A][1109120] High CVE-2020-6558: Insufficient policy enforcement in iOS. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-07-24
[$TBD][1116706] High CVE-2020-6559: Use after free in presentation API. Reported by Liu Wei and Wu Zekai of Tencent Security Xuanwu Lab on 2020-08-15
[$5000][1108181] Medium CVE-2020-6560: Insufficient policy enforcement in autofill. Reported by Nadja Ungethuem from www.unnex.de on 2020-07-22
[$1000][932892] Medium CVE-2020-6561: Inappropriate implementation in Content Security Policy. Reported by Rob Wu on 2019-02-16
[$1000][1086845] Medium CVE-2020-6562: Insufficient policy enforcement in Blink. Reported by Masato Kinugawa on 2020-05-27
[$1000][1104628] Medium CVE-2020-6563: Insufficient policy enforcement in intent handling. Reported by Pedro Oliveira on 2020-07-12
[$500][841622] Medium CVE-2020-6564: Incorrect security UI in permissions. Reported by Khalil Zhani on 2018-05-10
[$500][1029907] Medium CVE-2020-6565: Incorrect security UI in Omnibox. Reported by Khalil Zhani on 2019-12-02
[$N/A][1065264] Medium CVE-2020-6566: Insufficient policy enforcement in media. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-03-27
[$500][937179] Low CVE-2020-6567: Insufficient validation of untrusted input in command line handling. Reported by Joshua Graham of TSS on 2019-03-01
[$500][1092451] Low CVE-2020-6568: Insufficient policy enforcement in intent handling. Reported by Yongke Wang(@Rudykewang) and Aryb1n(@aryb1n) of Tencent Security Xuanwu Lab (腾讯安全玄武实验室) on 2020-06-08
[$N/A][995732] Low CVE-2020-6569: Integer overflow in WebUSB. Reported by guaixiaomei on 2019-08-20
[$N/A][1084699] Low CVE-2020-6570: Side-channel information leakage in WebRTC. Reported by Signal/Tenable on 2020-05-19
[$N/A][1085315] Low CVE-2020-6571: Incorrect security UI in Omnibox. Reported by Rayyan Bijoora on 2020-05-21

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:
  • [1121299] 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.

Google Chrome
Srinivas Sista
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