- FreeRDP RDPGFX ResetGraphics race leads to use-after-free in SDL client (sdl->pr... CVE-2026-22851

- FreeRDP RDPGFX ResetGraphics race leads to use-after-free in SDL client (sdl->pr... CVE-2026-22851

CVE ID : CVE-2026-22851 Published : Jan. 14, 2026, 6:16 p.m. | 1 hour, 28 minutes ago Description : 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. Severity: 6.9 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
Published
Jan. 14, 2026

Source: Telegram CVE Monitor