August 6, 2015 11:57 AM EDT

Stagefright, the bug that infected nearly 1 billion of Google’s Android phones with a single text, has a fix.

Google announced that the bug was handled in a recent software update to its Android phones.

The security firm Zimperium found that 95% of Android phones were vulnerable to the malware by opening the text message. However, Google told CNBC Wednesday that 90% of Android devices were protected because of what’s called “address space layout randomization.”

Google has also said that there will be updates to its Messenger service in which video messages won’t play automatically when previewed. That would halt a similar bug from infecting devices in the future.

For more on Stagefright, here’s a Fortune explainer on the bug.

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