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CVE-2019-3568
CRITICAL
CISA KEV
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.
Published: May 14, 2019
Modified: Jun 17, 2026
CWE-122
CWE-787
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (6)
| Vendor | Product | Version |
|---|---|---|
| * < 2.18.15 | ||
| * < 2.18.348 | ||
| * < 2.19.51 | ||
| * < 2.19.134 | ||
| whatsapp_business | * < 2.19.44 | |
| whatsapp_business | * < 2.19.51 |
GitHub Security Advisory GHSA-cmw5-mmg8-r4fr
A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via...
References (5)
- http://www.securityfocus.com/bid/108329 Broken Link, Third Party Advisory, VDB Entry
- https://www.facebook.com/security/advisories/cve-2019-3568 Third Party Advisory
- http://www.securityfocus.com/bid/108329 Broken Link, Third Party Advisory, VDB Entry
- https://www.facebook.com/security/advisories/cve-2019-3568 Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568 US Government Resource
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
39.17%
Top 2% most likely to be exploited
Threat Score
80.9 / 100
CISA Known Exploited
Date Added:
2022-04-19
Due Date:
2022-05-10
Required Action:
Apply updates per vendor instructions.
Data Sources
NVD
CISA KEV
EPSS
GitHub