Chrome Releases: Stable Channel Update for Desktop

Stable Channel Update for Desktop

Monday, August 10, 2020

The stable channel has been updated to 84.0.4147.125 for Windows, Mac, and 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 15 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$10000][1107433] High CVE-2020-6542: Use after free in ANGLE. Reported by Piotr Bania of Cisco Talos on 2020-07-20 [$7500][1104046] High CVE-2020-6543: Use after free in task scheduling. Reported by Looben Yang on 2020-07-10 [$7500][1108497] High CVE-2020-6544: Use after free in media. Reported by Tim Becker of Theori on 2020-07-22 [$5000][1095584] High CVE-2020-6545: Use after free in audio. Reported by Anonymous on 2020-06-16 [$TBD][1100280] High CVE-2020-6546: Inappropriate implementation in installer. Reported by Andrew Hess (any1) on 2020-06-29 [$TBD][1102153] High CVE-2020-6547: Incorrect security UI in media. Reported by David Albert on 2020-07-05 [$TBD][1103827] High CVE-2020-6548: Heap buffer overflow in Skia. Reported by Choongwoo Han, Microsoft Browser Vulnerability Research on 2020-07-09 [$N/A][1105426] High CVE-2020-6549: Use after free in media. Reported by Sergei Glazunov of Google Project Zero on 2020-07-14 [$N/A][1106682] High CVE-2020-6550: Use after free in IndexedDB. Reported by Sergei Glazunov of Google Project Zero on 2020-07-17 [$N/A][1107815] High CVE-2020-6551: Use after free in WebXR. Reported by Sergei Glazunov of Google Project Zero on 2020-07-21 [$TBD][1108518] High CVE-2020-6552: Use after free in Blink. Reported by Tim Becker of Theori on 2020-07-22 [$TBD][1111307] High CVE-2020-6553: Use after free in offline mode. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-07-30 [$5000][1094235] Medium CVE-2020-6554: Use after free in extensions. Reported by Anonymous on 2020-06-12 [$1000][1105202] Medium CVE-2020-6555: Out of bounds read in WebGL. Reported by Marcin Towalski of Cisco Talos on 2020-07-13
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:[1114335] 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 Prudhvikumar Bommana