What would require crashing the wildly popular WhatsApp messaging application?
Nearly 4000 Smileys.
Yes, you can crash your friends' WhatsApp, both WhatsApp Web and mobile application, by sending them not any specially crafted messages, but just Smileys.
same researcher who reported a very popular WhatsApp crash bug last year that required 2000 words (2kb in size) message in the special character set to remotely crash Whatsapp messenger app.
After this discovery, the company patched the bug by setting up the limits of characters in WhatsApp text messages, but unfortunately, it failed to set up limits for smileys send via WhatsApp.
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