Chrome Releases
Release updates from the Chrome team
Stable Channel Update
Tuesday, November 18, 2014
The Chrome team is delighted to announce the promotion of Chrome 39 to the stable channel for Windows, Mac and Linux. Chrome 39.0.2171.65 contains a number of fixes and improvements, including:
64-bit support for Mac
A number of new apps/extension APIs
Lots of under the hood changes for stability and performance
A partial list of changes is available in the
log
.
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
42 security fixes
. Below, we highlight fixes that were either contributed by external researchers or particularly interesting. Please see the
Chromium security page
for more information.
[$500][
389734
]
High
CVE-2014-7899: Address bar spoofing.
Credit to
Eli Grey
.
[$1500][
406868
]
High
CVE-2014-7900: Use-after-free in pdfium.
Credit to Atte Kettunen from OUSPG.
[$1000][
413375
]
High
CVE-2014-7901: Integer overflow in pdfium.
Credit to cloudfuzzer.
[$1000][
414504
]
High
CVE-2014-7902: Use-after-free in pdfium.
Credit to cloudfuzzer.
[$3000][
414525
]
High
CVE-2014-7903: Buffer overflow in pdfium.
Credit to cloudfuzzer.
[$2000][
418161
]
High
CVE-2014-7904: Buffer overflow in Skia.
Credit to Atte Kettunen from OUSPG.
[$2000][
421817
]
High
CVE-2014-7905: Flaw allowing navigation to intents that do not have the BROWSABLE category.
Credit to WangTao(neobyte) of Baidu X-Team.
[$500][
423030
]
High
CVE-2014-7906: Use-after-free in pepper plugins.
Credit to Chen Zhang (demi6od) of the NSFOCUS Security Team.
[$7500][
423703
]
High
CVE-2014-0574: Double-free in Flash.
Credit to
biloulehibou.
[$5000][
424453
]
High
CVE-2014-7907: Use-after-free in blink.
Credit to Chen Zhang (demi6od) of the NSFOCUS Security Team.
[$500][
425980
]
High
CVE-2014-7908: Integer overflow in media.
Credit to Christoph Diehl.
[$500][
391001
]
Medium
CVE-2014-7909: Uninitialized memory read in Skia.
Credit to miaubiz.
We would also like to thank
Atte Kettunen, Christian Holler, cloudfuzzer,
and
mmaliszkiewicz
for working with us during the development cycle to prevent security bugs from ever reaching the stable channel. $16500 in additional rewards were issued.
As usual, our ongoing internal security work was responsible for a wide range of fixes:
[
433500
] CVE-2014-7910: Various fixes from internal audits, fuzzing and other initiatives.
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
.
Alex Mineer
Google Chrome
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