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 17 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$23000][1466183] High CVE-2023-4068: Type Confusion in V8. Reported by Jerry on 2023-07-20
[$21000][1465326] High CVE-2023-4069: Type Confusion in V8. Reported by Man Yue Mo of GitHub Security Lab on 2023-07-17
[$20000][1462951] High CVE-2023-4070: Type Confusion in V8. Reported by Jerry on 2023-07-07
[$17000][1458819] High CVE-2023-4071: Heap buffer overflow in Visuals. Reported by Guang and Weipeng Jiang of VRI on 2023-06-28
[$15000][1464038] High CVE-2023-4072: Out of bounds read and write in WebGL. Reported by Apple Security Engineering and Architecture (SEAR) on 2023-07-12
[$10000][1456243] High CVE-2023-4073: Out of bounds memory access in ANGLE. Reported by Jaehun Jeong(@n3sk) of Theori on 2023-06-20
[$8000][1464113] High CVE-2023-4074: Use after free in Blink Task Scheduling. Reported by Anonymous on 2023-07-12
[$5000][1457757] High CVE-2023-4075: Use after free in Cast. Reported by Cassidy Kim(@cassidy6564) on 2023-06-25
[$NA][1459124] High CVE-2023-4076: Use after free in WebRTC. Reported by Natalie Silvanovich of Google Project Zero on 2023-06-29
[$3000][1451146] Medium CVE-2023-4077: Insufficient data validation in Extensions. Reported by Anonymous on 2023-06-04
[$1000][1461895] Medium CVE-2023-4078: Inappropriate implementation in Extensions. Reported by Anonymous on 2023-07-04
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:
[1469476] 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.