PT-2020-5649
CVE-2020-4031
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Published
2020-06-22
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Updated
2026-10-01
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
FreeRDP versions prior to 2.1.2
Description
The issue is related to a use-after-free error in the gdi SelectObject component of the FreeRDP protocol implementation. This error occurs when memory is accessed after it has been freed. Exploitation of this issue could allow a remote attacker to cause a denial of service. All FreeRDP clients using compatibility mode with the /relax-order-checks option are affected.
Recommendations
For FreeRDP versions prior to 2.1.2, update to version 2.1.2 to resolve the issue. As a temporary workaround, consider disabling the compatibility mode with /relax-order-checks to minimize the risk of exploitation.
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