Actively exploited in the wild
WhatsApp VOIP Stack Buffer Overflow Vulnerability
Meta Platforms - WhatsApp · Listed in the CISA KEV since 2022-04-19. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-3568
CriticalCVSS 9.8KEVSummary
A buffer overflow vulnerability in the WhatsApp VOIP stack allows remote code execution via specially crafted RTCP packets sent to a target phone number.
Risk Assessment
An attacker can remotely execute code on the victim's device, potentially leading to device takeover and data theft.
Recommendation
Update WhatsApp to the latest version on all platforms to receive security patches.
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Original NVD description (English source)
A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number. The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.