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CVE PROGRAM SOURCE RECORD2.3 Low

CVE-2026-109240

FreeRDP 3.11.0 before 3.32.1 Reachable Assertion DoS via urb_isoch_transfer

Description

FreeRDP 3.11.0 before 3.32.1 contains a reachable assertion vulnerability in urb_isoch_transfer that allows malicious RDP servers to crash clients by sending unvalidated OutputBufferSize values. Attackers can send a TS_URB_ISOCH_TRANSFER IN-direction request with OutputBufferSize above INT32_MAX over URBDRC, triggering an assertion in libusb_udev_isoch_transfer that terminates the client.

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

  • 3.11.0 to < 3.32.1affected
  • 3.32.1unaffected

References