Vulnerability in Facebook Whatsapp Business For Android

CVE-2023-38538

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.

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-38538: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38538?
CVE-2023-38538 is a medium-severity vulnerability in Facebook Whatsapp Business For Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.0/10. Published 2023-10-04.
How severe is CVE-2023-38538?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2023-38538 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.