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 occurs pre-boot and is likely due to a NULL pointer dereference. Rebooting is required to recover the system.
EPSS: 0.004 (35.5th 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
- Freerdp
- Red Hat Enterprise Linux 10 — versions 2:3.10.3-3.el10_0
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat In-vehicle Operating System 1
- Redhat Enterprise_linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (Permissions Required, x_refsource_REDHAT, issue-tracking, Issue Tracking)
- secalert@redhat.com (Patch)
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.