What is CVE-2019-3568?

CVE-2019-3568 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-05-14.

How severe is CVE-2019-3568?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-3568 known to be exploited?

Yes. CVE-2019-3568 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-19), indicating it is being actively exploited. 12 public proof-of-concept repositories are indexed.

Buffer overflow in Facebook Whatsapp Business For Android

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 f…

Vulnerability class: Buffer Overflow

EPSS: 0.392 (98.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Facebook Whatsapp Business For Android — versions 2.19.44, unspecified
Facebook Whatsapp Business For Ios — versions 2.19.51, unspecified
Facebook Whatsapp For Android — versions 2.19.134, unspecified
Facebook Whatsapp For Ios — versions 2.19.51, unspecified
Facebook Whatsapp For Tizen — versions 2.18.15, unspecified
Facebook Whatsapp For Windows Phone — versions 2.18.348, unspecified
Whatsapp
Whatsapp Whatsapp_business

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-04-19. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-10.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cve-assign@fb.com (Third Party Advisory, x_refsource_MISC)
cve-assign@fb.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-3568?: CVE-2019-3568 is a critical-severity vulnerability in Facebook Whatsapp Business For Android, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-05-14.
How severe is CVE-2019-3568?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-3568 known to be exploited?: Yes. CVE-2019-3568 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-19), indicating it is being actively exploited. 12 public proof-of-concept repositories are indexed.