Use-after-free vulnerability in the Web Workers implementation in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and Linux allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the shutting down of a worker process.
https://src.chromium.org/viewvc/chrome?revision=233367&view=revision
https://src.chromium.org/viewvc/chrome?revision=233099&view=revision
http://www.debian.org/security/2014/dsa-2862
http://googlechromereleases.blogspot.com/2014/01/stable-channel-update.html