CVE-2023-38538: facebook whatsapp business for android Race Condition

Vulnerability summary

CVE-2023-38538 is a medium (CVSS 5.0) Race Condition vulnerability in facebook whatsapp business for android. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.1% of scored vulnerabilities.

Timeline

1. 04-10-2023
   PublishedVulnerability first disclosed.
2. 19-09-2024
   Last modifiedVulnerability information updated.

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.

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.