CVE-2023-40187
CVSS 3.1 Score 7.3 of 10 (high)
Details
Summary
CVE-2023-40187 is a Use-After-Free vulnerability in the FreeRDP software, specifically affecting versions of the 3.x beta branch. This vulnerability occurs in the `avc420_ensure_buffer` and `avc444_ensure_buffer` functions when the value of `piDstSize[x]` is 0. As a result, the memory allocation for `ppYUVDstData[x]` is freed, leading to a potential security issue. The vulnerability has been addressed in version 3.0.0-beta3 of FreeRDP, and users are advised to upgrade to this version. There are no known workarounds for this vulnerability, and it has a high severity rating with a base score of 7.3 according to the CVSS (Common Vulnerability Scoring System) assessment.
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