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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-91961

FreeRDP before 3.31.0 Denial of Service via URBDRC

Description

FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fails to validate OutputBufferSize before forwarding to the libusb backend. A malicious RDP server can send a control-transfer request with OutputBufferSize set to 65536, triggering a reachable assertion that terminates the client 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