A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.
| Software | From | Fixed in |
|---|---|---|
| whatsapp / whatsapp_business | - | 2.21.4.18 |
| whatsapp / whatsapp | - | 2.21.4.18 |