Industrial CVE-2026-22851
MEDIUMCVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
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4DescriptionNVD
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race condition between the RDPGFX dynamic virtual channel thread and the SDL render thread leads to a heap use-after-free. Specifically, an escaped pointer to sdl->primary (SDL_Surface) is accessed after it has been freed during RDPGFX ResetGraphics handling. This vulnerability is fixed in 3.20.1.
AnalysisAI
FreeRDP versions prior to 3.20.1 contain a race condition between the RDPGFX virtual channel and SDL rendering threads that enables heap use-after-free when graphics are reset. Public exploit code exists for this vulnerability, allowing attackers to crash the application or potentially execute code in industrial control systems and other environments using vulnerable FreeRDP implementations. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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