CVE-2019-3568
WhatsApp VOIP Stack Buffer Overflow Vulnerability
Published May 14, 2019 · updated Jun 16, 2026 · whatsapp whatsapp
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.
Timeline
Detection, updates, and resolution for this record.
May 14, 2019 · Catalog
Detected
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
Apr 19, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
May 10, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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
Required action
Apply updates per vendor instructions.
CISA due date May 10, 2022
Affected
- cpe whatsapp/whatsappversion unspecified
- cpe whatsapp/whatsapp businessversion unspecified
- vendor Meta Platforms WhatsAppversion unspecified
Sources
- CISA KEVCVE-2019-3568
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.
cisa.gov - CVE.orgCVE-2019-3568
Official CVE identifier
cve.org - FIRST EPSSCVE-2019-3568
30-day exploitation probability 30.1%
first.org - NIST NVDCVE-2019-3568
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 fo
nvd.nist.gov