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CVE-2019-11931

HIGH
7.8
CVSS Score
Published: November 14, 2019 at 10:55 PM UTC
Updated: June 17, 2026 at 02:13 AM UTC
3 products affected across 1 vendorWhatsAppWhatsapp BusinessWhatsapp Enterprise Client

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user. The issue was present in parsing the elementary stream metadata of an MP4 file and could result in a DoS or RCE. This affects Android versions prior to 2.19.274, iOS versions prior to 2.19.100, Enterprise Client versions prior to 2.25.3, Business for Android versions prior to 2.19.104 and Business for iOS versions prior to 2.19.100.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WhatsApp· Whatsapp
95%
v ≤ 2.18.368v < 2.19.100v < 2.19.2742.19.1002.19.274
Affected range stops below 2.19.100, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.19.274, so it looks safe — our inference, not a vendor statement
Whatsapp Business· Whatsapp
95%
v < 2.19.100v < 2.19.1042.19.1002.19.104
Affected range stops below 2.19.100, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.19.104, so it looks safe — our inference, not a vendor statement
Whatsapp Enterprise Client· Whatsapp
95%
v < 2.25.32.25.3
Affected range stops below 2.25.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://www.facebook.com/security/advisories/cve-2019-11931

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-787

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