CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2022-04-19Vulnerability

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.

Properties

Euvd product
WhatsApp Business for Android, WhatsApp for Tizen, WhatsApp for Android, WhatsApp Business for iOS, WhatsApp for iOS, WhatsApp for Windows Phone
Vulnerability name
WhatsApp VOIP Stack Buffer Overflow Vulnerability
First seen
2025-10-21T23:45:37+00:00
Cvss score
9.8
Epss score
0.30076
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-10
Euvd assigner
facebook
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-04-19T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-04-19
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Facebook
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8

Related Entities (10)

AFFECTS_PRODUCT (6)

→[Product]cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*
→[Product]cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*
→[Product]cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:tizen:*:*
→[Product]cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:windows_phone:*:*
→[Product]cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*
→[Product]cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*

HAS_WEAKNESS (2)

→[Weakness]Heap-based Buffer Overflow
→[Weakness]Out-of-bounds Write

DESCRIBES (1)

←[KEVEntry]WhatsApp VOIP Stack Buffer Overflow Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-04-19

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CVE-2019-3568 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal