CVE-2019-3568
WhatsApp VOIP Stack Buffer Overflow Vulnerability
What the flaw is
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 as published by CISA. We have not independently reproduced it.
What CISA requires
Apply updates per vendor instructions.
This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.
Public exploit code
12 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.
- ARPSyndicate/cve-scores
- Devang-Solanki/android-hacking-101
- EnableSecurity/awesome-rtc-hacking
- Ostorlab/KEV
- Ostorlab/known_exploited_vulnerbilities_detectors
- actuator/Android-Security-Exploits-YouTube-Curriculum
- alphaSeclab/sec-daily-2019
- ashutoshshah1/Android-hacking-ultimate
Showing 8 of 12. Full list in the trickest/cve dataset.
Vendor advisories
Primary sources
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Other Meta Platforms entries
See allSource: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.