Cross-domain vulnerability in the V8 JavaScript engine in Google Chrome before 1.0.154.46 allows remote attackers to bypass the Same Origin Policy via a crafted script that accesses another frame and reads its full URL and possibly other sensitive information, or modifies the URL of this frame.
http://src.chromium.org/viewvc/chrome?view=rev&revision=8524
http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes
http://secunia.com/advisories/33754
http://googlechromereleases.blogspot.com/2009/01/stable-beta-update-yahoo-mail-and.html