These are SEPTEMBER critical vulnerabilities that would have allowed attackers to remotely hack their victims' devices by simply calling them (CVE-2022-36934) or sending a video file (CVE-2022-27492).
An integer overflow in WhatsApp for Android prior to v2.22.16.12, Business for Android prior to v2.22.16.12, iOS prior to v2.22.16.12, Business for iOS prior to v2.22.16.12 could result in remote code execution in an established video call.
An integer underflow in WhatsApp for Android prior to v2.22.16.2, WhatsApp for iOS v2.22.15.9 could have caused remote code execution when receiving a crafted video file.
FOR MORE TIPS AND GUIDANCE