CVE-2019-3568
WhatsApp VOIP Stack Buffer Overflow Vulnerability
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.
Affected software
Vendor: Meta Platforms · Product: WhatsApp
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Meta Platforms
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-18426 | WhatsApp Cross-Site Scripting Vulnerability | 67.9% | Yes |
| CVE-2025-55177 | Meta Platforms WhatsApp Incorrect Authorization Vulnerability | 4.1% | Yes |
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