This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-91954 →

DEBIAN-CVE-2026-91954

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec I...

Original description

The description as published by the source.

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command claiming to use NSCodec, even when the codec is disabled.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 freerdp2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 freerdp3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 freerdp3

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.31.0+dfsg-1"}]}]

References

advisory security-tracker.debian.org