Vulnerability · Published Oct 4, 2023 · Assigned by facebook

CVE-2023-38538

Medium 5.0

In plain English

A medium-severity security flaw in WhatsApp Business for Android from Facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.

Affected products (as reported)

VendorProductVersions
Facebook WhatsApp Desktop for Mac 0 – before 2.2338.12
Facebook WhatsApp Desktop for Windows 0 – before 2.2320.2
Facebook WhatsApp Business for iOS 0 – before 2.23.10.77
Facebook WhatsApp for iOS 0 – before 2.23.10.77
Facebook WhatsApp Business for Android 0 – before 2.23.10.77
Facebook WhatsApp for Android 0 – before 2.23.10.77

References