CVE Tools
Sign in

CVE-2019-3568

Published: May 14, 2019Updated: Oct 24, 2025 Sources: CVE List NVD BDUCWE-122
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
39.2%
Top 1.6%
CISA KEV
Active Exploitation
Since Apr 19, 2022
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122CWE-787

Affected Products

WhatsApp for AndroidFacebookCommunications
WhatsApp Business for AndroidFacebookCommunications
WhatsApp for iOSFacebookCommunications
WhatsApp Business for iOSFacebookCommunications
WhatsApp for Windows PhoneFacebookCommunications
facebookcommercialUSCommunicationsaka meta, facebook inc.
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Apr 19, 2022
Remediation due:May 10, 2022

Required action: Apply updates per vendor instructions.

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.facebook.com/security/advisories/cve-2019-3568
facebook.com
http://www.securityfocus.com/bid/108329
securityfocus.com
http://www.securityfocus.com/bid/108329
securityfocus.com
and 5 more references View all →

Timeline

Published
May 14, 2019
Added to CISA KEV
Apr 19, 2022
Last Updated
Oct 24, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2019-3568 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows