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CVE PROGRAM SOURCE RECORD8.2 High

CVE-2026-91955

FreeRDP before 3.31.0 Denial of Service via Desktop Dimensions

Description

FreeRDP before 3.31.0 fails to validate client-supplied DesktopWidth and DesktopHeight values during GCC negotiation, allowing remote attackers to crash the server. Attackers can send crafted RDP packets with zero or oversized dimensions to trigger division-by-zero or assertion failures in multifragment update capability calculations, terminating the server process.

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