These are two breaches that cybercriminals dream of in a very popular application.
WhatsApp (Meta group) revealed on Friday that it had corrected two security flaws in its messaging service.
These two bugs still affect older versions of the app and no one knows for how long.
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The first allowed a hacker, after making a special video call, to remotely execute malicious computer code and then install a virus, or even take control of the device.
A sign of the seriousness of the problem, this vulnerability has been classified as “critical”, the highest level of threat, with a worrying score of 9.8 out of… 10.
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The other vulnerability exploited the sending of a corrupted video to also inject malicious computer code with a threat level described as "high".
A WhatsApp spokesperson assured US media outlet TechCrunch that there was no evidence that these two "bugs" had actually been taken advantage of.
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The only parade?
An update to the latest application.
They are generally automatic on Android smartphones as for Apple iOS.
But if in doubt, make sure you have a newer version than v2.22.16.12 for Android and v2.22.16.12 for iOS.
To do this, go to Settings on Android and Settings on iOS, then the Help and Info section of the application, which will display the latest version installed.