CVE-2023-38538: WhatsApp

Medium severity, CVSS 5.0. EPSS: 0.2% chance of exploitation in the next 30 days.

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

• WhatsApp WhatsApp: before 2.2320.2 (fixed in 2.2320.2)

Published 2023-10-04. Last modified 2026-06-17.