CVE-2026-22851

MEDIUM

5.9

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.9

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/14/2026

Ultima modificacao1/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

freerdp:freerdp

Fraquezas (CWE)

CWE-362CWE-416

Referencias

https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1(security-advisories@github.com)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8g87-6pvc-wh99(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.