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 13 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.
[$11000][456547591] High CVE-2025-13630: Type Confusion in V8. Reported by Shreyas Penkar (@streypaws) on 2025-10-31
[$3000][448113221] High CVE-2025-13631: Inappropriate implementation in Google Updater. Reported by Jota Domingos on 2025-09-29
[TBD][439058242] High CVE-2025-13632: Inappropriate implementation in DevTools. Reported by Leandro Teles on 2025-08-16
[N/A][458082926] High CVE-2025-13633: Use after free in Digital Credentials. Reported by Chrome on 2025-11-05
[TBD][429140219] Medium CVE-2025-13634: Inappropriate implementation in Downloads. Reported by Eric Lawrence of Microsoft on 2025-07-02
[N/A][457818670] Medium CVE-2025-13720: Bad cast in Loader. Reported by Chrome on 2025-11-04
[N/A][355120682] Medium CVE-2025-13721: Race in v8. Reported by Chrome on 2024-07-23
[$3000][405727341] Low CVE-2025-13635: Inappropriate implementation in Downloads. Reported by Hafiizh on 2025-03-24
[$1000][446181124] Low CVE-2025-13636: Inappropriate implementation in Split View. Reported by Khalil Zhani on 2025-09-20
[TBD][392375329] Low CVE-2025-13637: Inappropriate implementation in Downloads. Reported by Hafiizh on 2025-01-27
[TBD][448046109] Low CVE-2025-13638: Use after free in Media Stream. Reported by sherkito on 2025-09-29
[TBD][448408148] Low CVE-2025-13639: Inappropriate implementation in WebRTC. Reported by Philipp Hancke on 2025-10-01
[TBD][452071826] Low CVE-2025-13640: Inappropriate implementation in Passwords. Reported by Anonymous on 2025-10-14
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.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.