WhatsApp detects critical bug in old version; That’s why you need to update your app now

Meta-owned WhatsApp has discovered a critical bug that may affect older installations on various devices that have not been updated with the latest software versions. The vulnerability could allow an attacker to exploit a code bug known as integer overflow.

“Integer overflow in WhatsApp for Android before version 2.22.16.12, Business for Android before v2.22.16.12, iOS before v2.22.16.12, Business for iOS before v2.22.16.12 could lead to remote code execution in an installed video call,” the WhatsApp update said. With remote code execution, a hacker can remotely execute commands on someone else’s computing device.

Remote code execution (RCE) is usually caused by host-loaded malware and can occur regardless of the device’s geographic location. The newly disclosed vulnerability has been named CVE-2022-36934 with a severity score of 9.8 out of 10 on the CVE scale. WhatsApp also disclosed details of another bug that could cause remote code execution when receiving a crafted video file.

https://www.youtube.com/watch?v=/HsNdt_PGHew

Both these vulnerabilities have been patched in recent versions of WhatsApp. On Monday, WhatsApp announced that it is launching a call link to make it easier to start and join a conversation with a single tap.

The company has also started testing secure and encrypted group video calls of up to 32 people on WhatsApp.

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