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 21 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$7000][1454086] High CVE-2023-3727: Use after free in WebRTC. Reported by Cassidy Kim(@cassidy6564) on 2023-06-12
[$7000][1457421] High CVE-2023-3728: Use after free in WebRTC. Reported by Zhenghang Xiao (@Kipreyyy) on 2023-06-23
[$2000][1453465] High CVE-2023-3730: Use after free in Tab Groups. Reported by @ginggilBesel on 2023-06-09
[$NA][1450899] High CVE-2023-3732: Out of bounds memory access in Mojo. Reported by Mark Brand of Google Project Zero on 2023-06-02
[N/A][40064341] High CVE-2023-4860: Inappropriate implementation in Skia. Reported by Mark Brand of Google Project Zero on 2023-05-03
[$5000][1450203] Medium CVE-2023-3733: Inappropriate implementation in WebApp Installs. Reported by Luan Herrera (@lbherrera_) on 2022-10-09
[$5000][1450376] Medium CVE-2023-3734: Inappropriate implementation in Picture In Picture. Reported by Thomas Orlita on 2023-06-01
[$2000][1394410] Medium CVE-2023-3735: Inappropriate implementation in Web API Permission Prompts. Reported by Ahmed ElMasry on 2022-11-29
[$2000][1434438] Medium CVE-2023-3736: Inappropriate implementation in Custom Tabs. Reported by Philipp Beer (TU Wien) on 2023-04-19
[$2000][1446754] Medium CVE-2023-3737: Inappropriate implementation in Notifications. Reported by Narendra Bhati of Suma Soft Pvt. Ltd. Pune (India) on 2023-05-19
[$1000][1434330] Medium CVE-2023-3738: Inappropriate implementation in Autofill. Reported by Hafiizh on 2023-04-18
[$1000][1405223] Low CVE-2023-3740: Insufficient validation of untrusted input in Themes. Reported by Fardeen Siddiqui on 2023-01-06
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:
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.
