Stable Channel Update

The stable channel has been updated to 47.0.2526.80 for Windows, Mac, and Linux. This release contains an update to Adobe Flash Player (20.0.0.228) and security fixes.

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 7 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chromium security page for more information.

[$5000][548273] High CVE-2015-6788: Type confusion in extensions. Credit to anonymous.

[$2000][557981] High CVE-2015-6789: Use-after-free in Blink. Credit to cloudfuzzer.

[$500][542054] Medium CVE-2015-6790: Escaping issue in saved pages. Credit to Inti De Ceukelaire.

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. The total value of additional rewards and their recipients will updated here when all reports have gone through the reward panel.

As usual, our ongoing internal security work was responsible for a wide range of fixes:

• [567513] CVE-2015-6791: Various fixes from internal audits, fuzzing and other initiatives.

• Multiple vulnerabilities in V8 fixed at the tip of the 4.7 branch (currently 4.7.80.23).

Many of the above bugs were detected using AddressSanitizer, MemorySanitizer or Control Flow Integrity.

A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug.

Vivian Zhi
Google Chrome