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CVE-2023-40187
Date: August 31, 2023
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the "avc420_ensure_buffer" and "avc444_ensure_buffer" functions. If the value of "piDstSize[x]" is 0, "ppYUVDstData[x]" will be freed. However, in this case "ppYUVDstData[x]" will not have been updated which leads to a Use-After-Free vulnerability. This issue has been addressed in version 3.0.0-beta3. Users of the 3.x beta releases are advised to upgrade. There are no known workarounds for this vulnerability.
Language: C
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Use After Free
CWE-416CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |