[CVE-2026-91948] FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static vi…

Descripción técnica

FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel handling when CHANNEL_OPTION_SHOW_PROTOCOL is enabled. Authenticated clients can queue oversized channel messages that cause buffer underflow and corrupt heap memory including live pointers, potentially enabling code execution.

Puntuación CVSS

Score: 7.5/10 — Severidad: HIGH — Estado NIST: Received

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Debilidades (CWE)

CWE-191

Fuente oficial

Publicado en NIST NVD.