The Stable channel is being updated to 86.0.4240.112 (Platform version: 13421.73.0) for most Chrome OS devices. This build contains a number of bug fixes and security updates. Systems will be receiving updates over the next several days.
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 more information.
[$TBD] High CVE-2020-16001: Use after free in media. Reported by Khalil Zhani on 2020-10-05
[$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 2020-10-13
[$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 channel.
Google is aware of reports that an exploit for CVE-2020-15999 exists in the wild.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
If you find new issues, please let us know by vising our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using 'Report an issue...' in the Chrome menu (3 vertical dots in the upper right corner of the browser).
Google Chrome OS