Google usually tags as "critical" only those bugs that attackers could use to escape the browser's "sandbox," an anti-exploit technology designed to prevent malicious code from escaping the browser.

Users running other browsers can download the patched version of Flash Player from .

Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at or subscribe to . His e-mail address is .

in Computerworld's Security Topic Center.