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CVE-2026-91956

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

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 Platforms

Unknown

Weakness Type

CWE-125

References