WhatsApp has fixed a loophole that allowed one message to render the app unusable for entire groups.
The security bug, discovered by Check Point Research, let a single malicious user could allow the app to crash for all members of a group chat by editing message parameters using WhatsApp web interface and browser debugging tool, Engadget reports.
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WhatsApp patched the issue in September with version 2.19.58. Users are advised to update their apps to prevent the unstoppable crash-loop.
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