A high risk vulnerability (CVE-2019-11931) that has not yet been exploited, impacts regular WhatsApp, WhatsApp for Business and WhatsApp for Enterprise on both iOs and Android devices. This vulnerability can lead to remote code execution (RCE) spread by an MP4 file, enabling attackers to access your WhatsApp messages and files, and can also leave your device open to a Denial of Service (DoS) attack.
Users of the following affected WhatsApp versions are advised to update now:
- Android versions prior to 2.19.274
- iOS versions prior to 2.19.100
- Enterprise Client versions prior to 2.25.3
- Windows phone versions before & including 2.18.368
- Business for Android versions prior to 2.19.104
- Business for iOS versions prior to 2.19.100
For instructions on how to check your WhatsApp version on a smartphone, please see: https://autechtips.com/check-whatsapp-version/2255/
For instructions on updating WhatsApp, please see: https://faq.whatsapp.com/en/general/26000019/