FreeRDP up to 3.22.x xf_rail_server_execute_result execResult out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in FreeRDP up to 3.22.x. The affected element is the function xf_rail_server_execute_result. Executing a manipulation of the argument execResult can lead to out-of-bounds.
The identification of this vulnerability is CVE-2026-25942. The attack may be launched remotely. There is no exploit available.
Upgrading the affected component is advised.
Details
A vulnerability classified as problematic was found in FreeRDP up to 3.22.x. This vulnerability affects the function xf_rail_server_execute_result. The manipulation of the argument execResult with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_rail_server_execute_result` indexes the global `error_code_names[]` array (7 elements, indices 0–6) with an unchecked `execResult->execResult` value received from the server, allowing an out-of-bounds read when the server sends an `execResult` value of 7 or greater. Version 3.23.0 fixes the issue.
The advisory is available at github.com. This vulnerability was named CVE-2026-25942 since 02/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 300275 (Linux Distros Unpatched Vulnerability : CVE-2026-25942), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 3.23.0 eliminates this vulnerability. Applying the patch 9362a0bf8dda04eedbca07d5dfaec1044e67cc6b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the databases at Tenable (300275) and CERT Bund (WID-SEC-2026-0514). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- Amazon Linux 2
- Red Hat Enterprise Linux
- Fedora Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- SUSE openSUSE
- RESF Rocky Linux
- Open Source FreeRDP
Product
Type
Name
Version
License
Website
- Product: https://github.com/FreeRDP/FreeRDP/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 300275
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-25942
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: FreeRDP 3.23.0
Patch: 9362a0bf8dda04eedbca07d5dfaec1044e67cc6b
Timeline
02/09/2026 CVE reserved02/26/2026 Advisory disclosed
02/26/2026 VulDB entry created
05/13/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-78q6-67m7-wwf6
Status: Confirmed
CVE: CVE-2026-25942 (🔒)
GCVE (CVE): GCVE-0-2026-25942
GCVE (VulDB): GCVE-100-347914
CERT Bund: WID-SEC-2026-0514 - FreeRDP: Mehrere Schwachstellen
Entry
Created: 02/26/2026 01:36Updated: 05/13/2026 22:13
Changes: 02/26/2026 01:36 (71), 02/26/2026 16:35 (7), 03/01/2026 04:23 (13), 03/03/2026 07:38 (2), 05/13/2026 22:13 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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