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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-91956

FreeRDP before 3.31.0 Out-of-Bounds Read via URBDRC

Description

FreeRDP before 3.31.0 contains an out-of-bounds read vulnerability in the URBDRC channel's func_get_ep_desc function that indexes interface arrays by position instead of protocol field InterfaceNumber. A malicious RDP server can send a crafted SELECT_CONFIGURATION message with permuted InterfaceNumber values to read past allocated heap memory and crash 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

  • 0 to < 3.31.0affected
  • 3.31.0unaffected

References