CVEs / CVE-2019-3568
CVE-2019-3568: WhatsApp VOIP Stack Buffer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 19 Apr 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 30% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Facebook WhatsApp for Android | 2.19.134 | — |
| Facebook WhatsApp for Android | from unspecified, before 2.19.134 | 2.19.134 |
| Facebook WhatsApp Business for Android | 2.19.44 | — |
| Facebook WhatsApp Business for Android | from unspecified, before 2.19.134 | 2.19.134 |
| Facebook WhatsApp for iOS | 2.19.51 | — |
| Facebook WhatsApp for iOS | from unspecified, before 2.19.51 | 2.19.51 |
| Facebook WhatsApp Business for iOS | 2.19.51 | — |
| Facebook WhatsApp Business for iOS | from unspecified, before 2.19.51 | 2.19.51 |
| Facebook WhatsApp for Windows Phone | 2.18.348 | — |
| Facebook WhatsApp for Windows Phone | from unspecified, before 2.18.348 | 2.18.348 |
| Facebook WhatsApp for Tizen | 2.18.15 | — |
| Facebook WhatsApp for Tizen | from unspecified, before 2.18.15 | 2.18.15 |
Exploitation
| In CISA KEV since | 19 Apr 2022 |
|---|---|
| Due date for US federal agencies | 10 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-122, CWE-787 |
References
- CVE-2019-3568 on NVD
- CVE-2019-3568 in the CISA KEV catalog
- 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
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.