Stable Channel Update for ChromeOS / ChromeOS Flex


M-139, ChromeOS version 16328.55.0 (Browser version 139.0.7258.137), has rolled out to ChromeOS devices on the Stable channel.

If you find new issues, please let us know one of the following ways:

  1. File a bug

  2. Visit our ChromeOS communities

    1. General: Chromebook Help Community

    2. Beta Specific: ChromeOS Beta Help Community

  3. Report an issue or send feedback on Chrome

  4. Interested in switching channels? Find out how.

Security Fixes and Rewards

Other 3rd Party Security Fixes Included:

High Fixes  CVE-2025-0932 Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver

Medium Fixes CVE-2025-38349Use After Free vulnerability on Linux system as a local user.

Android Security fixes can be found here

Chrome Browser Security Fixes:

[$TBD] [423387026] Medium CVE-2025-8578 Use after free in Cast. Reported by Fayez on 2025-06-09

[$2000.0] [416942878] Low CVE-2025-8581 Inappropriate implementation in Extensions. Reported by Vincent Dragnea on 2025-05-11 

[$2000.0] [414760982] Medium CVE-2025-8576 Use after free in Extensions. Reported by asnine on 2025-04-30 

[$2000.0] [411544197] Low CVE-2025-8580 Inappropriate implementation in Filesystems. Reported by Huuuuu on 2025-04-18 

[$500.0] [373794472] Low CVE-2025-8583 Inappropriate implementation in Permissions. Reported by Shaheen Fazim on 2024-10-16

[$1000.0] [40089450] Low CVE-2025-8582 Insufficient validation of untrusted input in DOM. Reported by Anonymous on 2017-10-31

[$TBD] [435139154] High CVE-2025-8901 Out of bounds write in ANGLE. Reported by Google Big Sleep on 2025-07-30

[$TBD] [433800617] Medium CVE-2025-8881 Inappropriate implementation in File Picker. Reported by Alesandro Ortiz on 2025-07-23

[$70000.0] [433533359] High CVE-2025-8880 Race in V8. Reported by Seunghyun Lee (@0x10n) on 2025-07-23

[$7000.0] [432035817] High CVE-2025-8879 Heap buffer overflow in libaom. Reported by Anonymous on 2025-07-15

Andy Wu
Google ChromeOS