Chrome Releases: Stable Channel Update

Chrome Releases

Release updates from the Chrome team

Stable Channel Update

Tuesday, October 13, 2015

The Chrome team is delighted to announce the promotion of Chrome 46 to the stable channel for Windows, Mac and Linux.
Chrome 46.0.2490.71 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 46.

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

[$8837][519558] High CVE-2015-6755: Cross-origin bypass in Blink. Credit to Mariusz Mlynski.

[$6337][507316] High CVE-2015-6756: Use-after-free in PDFium. Credit to anonymous.

[$3500][529520] High CVE-2015-6757: Use-after-free in ServiceWorker. Credit to Collin Payne.

[$3000][522131] High CVE-2015-6758: Bad-cast in PDFium. Credit to Atte Kettunen of OUSPG.

[$1000][514076] Medium CVE-2015-6759: Information leakage in LocalStorage. Credit to Muneaki Nishimura (nishimunea).

[$1000][519642] Medium CVE-2015-6760: Improper error handling in libANGLE. Credit to Ronald Crane, an independent security researcher.

[$500][447860 & 532967] Medium CVE-2015-6761: Memory corruption in FFMpeg. Credit to Aki Helin of OUSPG and Khalil Zhani.

[$500][512678] Low CVE-2015-6762: CORS bypass via CSS fonts. Credit to Muneaki Nishimura (nishimunea).

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:

[542517] CVE-2015-6763: Various fixes from internal audits, fuzzing and other initiatives.
[529489] CVE-2015-7181, CVE-2015-7182, CVE-2015-7183: NSS and NSPR memory corruption issues.
Multiple vulnerabilities in V8 fixed at the tip of the 4.6 branch (currently 4.6.85.23).

Many of the above bugs were detected using AddressSanitizer or MemorySanitizer.

Interested in switching release channels? Find out how. 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.
Tina ZhouGoogle Chrome

Labels: Stable updates

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