CVE-2026-121406

CVE-2026-121406CVE-2026-121406

freerdp / freerdp

Description

FreeRDP before 3.32.2 allows a client assertion abort because rdpgfx_on_data_received rejects only negative zgfx_decompress status and passes the resulting null output pointer to Stream_StaticConstInit. A malicious RDP server can send a zero-output ZGFX payload on the RDPGFX channel after session activation to terminate the client.

Scoring

CVSS 4.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Last modified2026-11-03
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.