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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-91954

FreeRDP before 3.31.0 NULL Pointer Dereference via NSCodec

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

FreeRDP FreeRDP

Default version status: unaffected

  • 0 to < 3.31.0affected
  • 3.31.0unaffected

References