CVE-2019-3568
Last modified
CVE-2019-3568 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 39.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| < 2.18.15 | ||
| < 2.18.348 | ||
| < 2.19.51 | ||
| < 2.19.134 | ||
| Whatsapp Business | < 2.19.44 | |
| Whatsapp Business | < 2.19.51 |
References
- http://www.securityfocus.com/bid/108329Broken Link, Third Party Advisory, VDB Entry
- https://www.facebook.com/security/advisories/cve-2019-3568Third Party Advisory
- http://www.securityfocus.com/bid/108329Broken Link, Third Party Advisory, VDB Entry
- https://www.facebook.com/security/advisories/cve-2019-3568Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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