Back to Database
Status published
Medium
CVE-2023-38538
A race condition in an event subsystem led to a...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-38538
Credits & Attribution
No credits recorded in the NVD database.
More from Facebook
View All →CVE-2025-64296
WordPress Facebook for WooCommerce plugin <= 3.5.7 - Broken Access Control to Notice Dismissal vulnerability
Medium
5.3
CVE-2025-55181
Sending an HTTP request/response body with greater than 2^31 bytes...
Medium
5.3
CVE-2025-55179
Incomplete validation of rich response messages in WhatsApp for iOS...
Medium
5.4
CVE-2025-55177
Incomplete authorization of linked device synchronization messages in WhatsApp for...
Medium
5.4
CVE-2025-30403
A heap-buffer-overflow vulnerability is possible in mvfst via a specially...
Unknown
0
Affected Vendor
Affected Software
WhatsApp Desktop for Mac, WhatsApp Desktop for Windows, WhatsApp Business for iOS, WhatsApp for iOS, WhatsApp Business for Android, WhatsApp for Android
Vulnerable Versions:
0
Timeline
Official Publish:
October 4th, 2023
Last Modified:
September 19th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.