# CVE-2019-3568

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.

- Page: https://www.vulneraibility.com/cve/CVE-2019-3568
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-04-19; CISA due date 2022-05-10
- EPSS: 30.08% (percentile 98.2)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-07)
- Weakness: CWE-122
- Published: 2019-05-14

## Affected versions

- Facebook WhatsApp Business for Android: affected 2.19.44; < 2.19.134
- Facebook WhatsApp Business for iOS: affected 2.19.51; < 2.19.51
- Facebook WhatsApp for Android: affected 2.19.134; < 2.19.134
- Facebook WhatsApp for iOS: affected 2.19.51; < 2.19.51
- Facebook WhatsApp for Tizen: affected 2.18.15; < 2.18.15
- Facebook WhatsApp for Windows Phone: affected 2.18.348; < 2.18.348

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://www.facebook.com/security/advisories/cve-2019-3568
- [other] http://www.securityfocus.com/bid/108329
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.