Stable Channel Update for Desktop

The Chrome team is delighted to announce the promotion of Chrome 126 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks.

Chrome 126.0.6478.54 (Linux) 126.0.6478.56/57( Windows, Mac) contains a number of fixes and improvements – a list of changes is available in the log. Watch out for upcoming Chrome and Chromium blog posts about new features and big efforts delivered in 126.

Chrome 126.0.6478.56/57( Windows, Mac) has been pushed to extended stable channel as well

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 21 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information.

[$25000][342456991] High CVE-2024-5830: Type Confusion in V8. Reported by Man Yue Mo of GitHub Security Lab on 2024-05-24

[$10000][339171223] High CVE-2024-5831: Use after free in Dawn. Reported by wgslfuzz on 2024-05-07

[$10000][340196361] High CVE-2024-5832: Use after free in Dawn. Reported by wgslfuzz on 2024-05-13

[$7000][342602616] High CVE-2024-5833: Type Confusion in V8. Reported by @ginggilBesel on 2024-05-24

[$5000][342840932] High CVE-2024-5834: Inappropriate implementation in Dawn. Reported by gelatin dessert on 2024-05-26

[$3000][341991535] High CVE-2024-5835: Heap buffer overflow in Tab Groups. Reported by Weipeng Jiang (@Krace) of VRI on 2024-05-22

[TBD][341875171] High CVE-2024-5836: Inappropriate Implementation in DevTools. Reported by Allen Ding on 2024-05-21

[TBD][342415789] High CVE-2024-5837: Type Confusion in V8. Reported by Anonymous on 2024-05-23

[TBD][342522151] High CVE-2024-5838: Type Confusion in V8. Reported by Zhenghang Xiao (@Kipreyyy) on 2024-05-24

[$100115][340122160] Medium CVE-2024-5839: Inappropriate Implementation in Memory Allocator. Reported by Micky on 2024-05-13

[$5000][41492103] Medium CVE-2024-5840: Policy Bypass in CORS. Reported by Matt Howard on 2024-01-17

[$2000][326765855] Medium CVE-2024-5841: Use after free in V8. Reported by Cassidy Kim(@cassidy6564) on 2024-02-26

[$1000][40062622] Medium CVE-2024-5842: Use after free in Browser UI. Reported by Sven Dysthe (@svn_dy) on 2023-01-12

[$500][333940412] Medium CVE-2024-5843: Inappropriate implementation in Downloads. Reported by hjy79425575 on 2024-04-12

[TBD][331960660] Medium CVE-2024-5844: Heap buffer overflow in Tab Strip. Reported by Sri on 2024-04-01

[TBD][340178596] Medium CVE-2024-5845: Use after free in Audio. Reported by anonymous on 2024-05-13

[TBD][341095523] Medium CVE-2024-5846: Use after free in PDFium. Reported by Han Zheng (HexHive) on 2024-05-16

[TBD][341313077] Medium CVE-2024-5847: Use after free in PDFium. Reported by Han Zheng (HexHive) on 2024-05-18

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:

[346461939] 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.

Interested in switching release channels? Find out how here. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.

Srinivas Sista

Google Chrome