CVE-2019-11927 Integer overflow in WhatsApp for Android

High 7.8 Published 27 Sep 2019 Updated 4 Aug 2024

Remote attackers can execute arbitrary code via crafted WEBP images due to an integer overflow in media parsing.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-11927?

CVE-2019-11927 is a high-severity vulnerability in Facebook WhatsApp for Android, published on 27 Sep 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images. This issue affects WhatsApp for Android before version 2.19.143 and WhatsApp for iOS before version 2.19.100.

Weakness: CWE-190

Which versions are affected by CVE-2019-11927?

It affects 1 product.

Products include Whatsapp Whatsapp.

How do I fix CVE-2019-11927?

No fix has been published for CVE-2019-11927 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-11927 being exploited?

There is no known exploitation of CVE-2019-11927 in the wild and no public exploit code.

Sources

Also known as GHSA-qmff-84f8-hxmm.