Stable Channel Update

The Chrome Team is excited to announce the promotion of Chrome 22 to the stable channel. Chrome 22.0.1229.79 (also now available on the beta channel) has a number of new and exciting updates including:

• Mouse Lock API availability for Javascript
• Additional Windows 8 enhancements
• Continued polish for users of HiDPI/Retina screens

You can find out more about Chrome 22 on the Official Chrome Blog.

**Security fixes and rewards:

Please see the Chromium security page for more detail. Note that the referenced bugs may be kept private until a majority of our users are up to date with the fix.

Occasionally, we issue special rewards for bugs outside of Chrome, particularly where the bug is very severe and/or we are able to partially work around the issue:
**

** * [$5000] [146254] Critical CVE-2012-2897: Windows kernel memory corruption. Credit to Eetu Luodemaa and Joni Vähämäki, both from Documill.** **
And back to your regular scheduled rewards, including some at the new higher levels:
**

**

• [$10000] [143439] High CVE-2012-2889: UXSS in frame handling. Credit to Sergey Glazunov.
• [$5000] [143437] High CVE-2012-2886: UXSS in v8 bindings. Credit to Sergey Glazunov.
• [$2000] [139814] High CVE-2012-2881: DOM tree corruption with plug-ins. Credit to Chamal de Silva.
• [$1000] [135432] High CVE-2012-2876: Buffer overflow in SSE2 optimizations. Credit to Atte Kettunen of OUSPG.
• [$1000] [140803] High CVE-2012-2883: Out-of-bounds write in Skia. Credit to Atte Kettunen of OUSPG.
• [$1000] [143609] High CVE-2012-2887: Use-after-free in onclick handling. Credit to Atte Kettunen of OUSPG.
• [$1000] [143656] High CVE-2012-2888: Use-after-free in SVG text references. Credit to miaubiz.
• [$1000] [144899] High CVE-2012-2894: Crash in graphics context handling. Credit to Sławomir Błażek.
• [Mac only] [$1000] [145544] High CVE-2012-2896: Integer overflow in WebGL. Credit to miaubiz.
• [$500] [137707] Medium CVE-2012-2877: Browser crash with extensions and modal dialogs. Credit to Nir Moshe.
• [$500] [139168] Low CVE-2012-2879: DOM topology corruption. Credit to pawlkt.
• [$500] [141651] Medium CVE-2012-2884: Out-of-bounds read in Skia. Credit to Atte Kettunen of OUSPG.
• [132398] High CVE-2012-2874: Out-of-bounds write in Skia. Credit to Google Chrome Security Team (Inferno).
• [134955] [135488] [137106] [137288] [137302] [137547] [137556] [137606] [137635] [137880] [137928] [144579] [145079] [145121] [145163] [146462] Medium CVE-2012-2875: Various lower severity issues in the PDF viewer. Credit to Mateusz Jurczyk of Google Security Team, with contributions by Gynvael Coldwind of Google Security Team.
• [137852] High CVE-2012-2878: Use-after-free in plug-in handling. Credit to Fermin Serna of Google Security Team.
• [139462] Medium CVE-2012-2880: Race condition in plug-in paint buffer. Credit to Google Chrome Security Team (Cris Neckar).
• [140647] High CVE-2012-2882: Wild pointer in OGG container handling. Credit to Google Chrome Security Team (Inferno).
• [142310] Medium CVE-2012-2885: Possible double free on exit. Credit to the Chromium development community.
• [143798] [144072] [147402] High CVE-2012-2890: Use-after-free in PDF viewer. Credit to Mateusz Jurczyk of Google Security Team, with contributions by Gynvael Coldwind of Google Security Team.
• [144051] Low CVE-2012-2891: Address leak over IPC. Credit to Lei Zhang of the Chromium development community.
• [144704] Low CVE-2012-2892: Pop-up block bypass. Credit to Google Chrome Security Team (Cris Neckar).
• [144799] High CVE-2012-2893: Double free in XSL transforms. Credit to Google Chrome Security Team (Cris Neckar).
• [145029] [145157] [146460] High CVE-2012-2895: Out-of-bounds writes in PDF viewer. Credit to Mateusz Jurczyk of Google Security Team, with contributions by Gynvael Coldwind of Google Security Team.

Many of the above bugs were detected using AddressSanitizer.

We'd also like to thank Arthur Gerkis for working with us during the development cycle and preventing security regressions from ever reaching the stable channel.**

Full details about what’s in this release are available in the SVN revision log. Found a bug? Report it! On a different channel, but want to join us on the Beta train? The Chromium wiki has you covered.

Jason Kersey
Google Chrome