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CVE-2026-91961

MEDIUM CVSS: 6.5 Published: 2026-09-15 Modified: 2026-09-18

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 Platforms

Unknown

Weakness Type

CWE-617

References