CVE-2023-38538
MEDIUMCVSS 5/10EPSS 0.20%
Last modified
CVE-2023-38538 is a medium-severity vulnerability rated 5/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| < 2.2320.2 |
References
- https://www.whatsapp.com/security/advisories/2023/Vendor Advisory
- https://www.whatsapp.com/security/advisories/2023/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2023-38538?
CVE-2023-38538 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2023-38538?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-38538?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST