What’s Vulnerable › Vulnerabilities

CVE-2023-38537

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-04 · updated 2026-06-17
• Weakness: CWE-362

Description

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

Affected products

• Facebook WhatsApp for Android: before 2.2338.12 — fixed in 2.2338.12

How to fix

Upgrade to a fixed version: Facebook WhatsApp for Android 2.2338.12. Check the vendor advisory for mitigations.

References

• https://www.whatsapp.com/security/advisories/2023/
• https://www.whatsapp.com/security/advisories/2023/

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