Stable Channel Update
Wednesday, April 13, 2016
The Chrome team is delighted to announce the promotion of Chrome 50 to the stable channel for Windows, Mac and Linux.
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer.
Chrome 50.0.2661.75 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 50.
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 20 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chromium security page for more information.
[591785] Medium CVE-2016-1651: Out-of-bounds read in Pdfium JPEG2000 decoding. Credit to kdot working with HP's Zero Day Initiative.
[$1500][589512] Medium CVE-2016-1654: Uninitialized memory read in media. Credit to Atte Kettunen of OUSPG.
[$500][570750] Medium CVE-2016-1656: Android downloaded file path restriction bypass. Credit to Dzmitry Lukyanenko.
[$500][573317] Low CVE-2016-1658: Potential leak of sensitive information to malicious extensions. Credit to Antonio Sanso (@asanso) of Adobe.
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:
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer.
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.
Krishna Govind
Google Chrome