CVE-2019-3568

9.8 CRITICAL CISA KEV - Actively Exploited
Published: May 14, 2019 Modified: October 24, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/108329
Source: cve-assign@fb.com
Broken Link Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-3568
Source: cve-assign@fb.com
Third Party Advisory
http://www.securityfocus.com/bid/108329
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2019-3568
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
46.0%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-05-10

Weaknesses (CWE)

Affected Vendors

whatsapp