Meta Platforms WhatsApp
YES - ON THE CISA KEV LIST
CVE-2019-3568
WhatsApp VOIP Stack Buffer Overflow Vulnerability
overdue since 2022-05-10
Meta Platforms: 3 entries (0.2% of all KEV entries are from this vendor); 0 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-3568
References
Other KEV entries for this vendor: Meta Platforms
- CVE-2025-55177 - WhatsApp (2025-09-02)
- CVE-2019-18426 - WhatsApp (2022-05-23)
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