FreeRDP up to 3.0.0-beta2 writePixelBGRX out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in FreeRDP up to 3.0.0-beta2. This issue affects the function writePixelBGRX. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2023-40574. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeRDP up to 3.0.0-beta2. It has been rated as critical. This issue affects the function writePixelBGRX. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `writePixelBGRX` function. This issue is likely down to incorrect calculations of the `nHeight` and `srcStep` variables. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

The weakness was disclosed 09/01/2023 as GHSA-422p-gj6x-93cw. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-40574 since 08/16/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 302093 (openSUSE 16 Security Update : freerdp (openSUSE-SU-2026:20339-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.0.0-beta3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (302093). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 302093
Nessus Name: openSUSE 16 Security Update : freerdp (openSUSE-SU-2026:20339-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeRDP 3.0.0-beta3

Timelineinfo

08/16/2023 🔍
09/01/2023 +16 days 🔍
09/01/2023 +0 days 🔍
03/13/2026 +924 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-422p-gj6x-93cw
Status: Confirmed

CVE: CVE-2023-40574 (🔍)
GCVE (CVE): GCVE-0-2023-40574
GCVE (VulDB): GCVE-100-238517

Entryinfo

Created: 09/01/2023 07:38
Updated: 03/13/2026 21:10
Changes: 09/01/2023 07:38 (50), 09/29/2023 07:41 (11), 03/13/2026 21:10 (29)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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