Receiving these messages can cause the app to close repeatedly, slow down the phone, or make the specific chat thread impossible to open. The 2021 Patched Status

The "patched" designation indicates that WhatsApp released security updates specifically in 2021 to prevent these known malicious strings from affecting the app. What are WhatsApp Binarios?

When WhatsApp tries to render these complex or excessive characters, it can exhaust the device's memory or cause an "index out of bounds" exception in the app's code, leading to an immediate crash.