Vulnerability · Published May 16, 2025 · Assigned by redhat
CVE-2025-4478Gnome-remote-desktop: freerdp: unauthenticated rdp packet causes segfault in freerdp leading to denial of service
Medium 6.5
In plain English
A medium-severity null pointer dereference in freerdp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freerdp | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| AlmaLinux:10 | freerdp-devel | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| AlmaLinux:10 | freerdp-libs | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| AlmaLinux:10 | freerdp-server | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| AlmaLinux:10 | libwinpr | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| AlmaLinux:10 | libwinpr-devel | 2:3.10.3-3.el10_0 | ALSA-2025:9307 |
| Debian:13 | freerdp3 | 3.15.0+dfsg-2.1 | DEBIAN-CVE-2025-4478 |
| Debian:14 | freerdp3 | 3.15.0+dfsg-2.1 | DEBIAN-CVE-2025-4478 |
| Rocky Linux:10 | freerdp | 2:3.10.3-3.el10_0 | RLSA-2025:9307 |
| Ubuntu:24.04:LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.1 | USN-7624-1 |
| Ubuntu:24.04:LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.1 | UBUNTU-CVE-2025-4478 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| freerdp | 3.0.0-beta1 – before 3.16.0 | |
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- RHSA-2025:9307 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-4478 vdb-entry, x_refsource_REDHAT
- RHBZ#2365232 issue-tracking, x_refsource_REDHAT
- https://github.com/FreeRDP/FreeRDP/pull/11573