CVE-2025-4478

Name: CVE-2025-4478
Creator: NVD / NIST
Published: 2025-05-16T15:15:48.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.42%

Last modified Jun 25, 2026

CVE-2025-4478 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

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 occurs pre-boot and is likely due to a NULL pointer dereference. Rebooting is required to recover the system.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Freerdp	Freerdp	>= 3.0.0, < 3.16.0
Redhat	Enterprise Linux	10.0

References

https://access.redhat.com/errata/RHSA-2025:9307Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-4478Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2365232Issue Tracking, Permissions Required
https://github.com/FreeRDP/FreeRDP/pull/11573Patch

Timeline

Published: May 16, 2025
Last Modified: Jun 25, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-4478?

How severe is CVE-2025-4478?

CVE-2025-4478 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4478?

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-2025-4478?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST