Stagefright is an Android security vulnerability that sounds scary on paper, but most Android users didn't exactly worry about getting bitten by it. Zimperium, which disclosed the existence of the flaw more than a month ago, claims the exploit code was released "for testing purposes," but its move does endanger most Android devices. Because Google has had months to fix the flaw (the company was privately informed in April) and yet its patches have been piecemeal and largely unsatisfactory.

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