NULL pointer dereference in Freerdp

CVE-2025-4478

A flaw was found in the FreeRDP used by Anaconda's remote install feature, where a crafted RDP packet could trigger a segmentation fault. This issue causes the service to crash and remain defunct, resulting in a denial of service. It occur…

EPSS: 0.004 (33.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-4478?
CVE-2025-4478 is a medium-severity vulnerability in Freerdp, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2025-05-16.
How severe is CVE-2025-4478?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-4478 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.