Update your iPhone immediately to avoid nasty security flaws
You need to update your iPhone immediately to fix bugs discovered in Apple's iOS operating system.
Google's bug-hunting Project Zero security team recently discovered six vulnerabilities in Apple's software, with the tech giant delivering a patch for the security flaws with last week's iOS12.4 update.
However, Project Zero researchers claim one vulnerability remains exploitable despite Apple's patch.
Four of the vulnerabilities discovered by the researchers, including the one yet to be resolved, are "interactionless" – meaning they require no user input to exploit an iOS device.
The malicious code is sent to unpatched devices using iMessage and executes as soon as the user opens and views the received item.
The two other vulnerabilities also require no user interaction and allow an attacker to leak data from a device's memory and read files off a remote device.
If not patched, one vulnerability is so severe that the only way to restore a targeted iPhone would be to delete all the data off it.
Details of the five patched bugs have been published online, but the final bug will remain confidential until it's resolved by Apple.
Under Google Project Zero's operating procedure, the team only publicly discloses bugs 90 days after the discovery so developers have a chance to patch the issue in a software update.
Apple has urged users to install the new version of iOS, but has not directly addressed the issue.
"Keeping your software up to date is one of the most important things you can do to maintain your Apple product's security," it said in a statement.
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