Use-after-free vulnerability in the WebSharedWorkerStub::OnTerminateWorkerContext function in content/worker/websharedworker_stub.cc in the Web Workers implementation in Google Chrome before 34.0.1847.116 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via vectors that trigger a SharedWorker termination during script loading.
googlechromereleases.blogspot.com/2014/04/stable-channel-update.html
lists.opensuse.org/opensuse-updates/2014-05/msg00012.html
security.gentoo.org/glsa/glsa-201408-16.xml
www.debian.org/security/2014/dsa-2905
code.google.com/p/chromium/issues/detail?id=343661
src.chromium.org/viewvc/chrome?revision=252010&view=revision