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CVE-2026-91951

MEDIUM CVSS: 6.5 Published: 2026-09-15 Modified: 2026-09-16

Description

FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in the urbdrc client channel's urb_send_current_frame_number_result() function. A malicious RDP server can send a crafted 28-byte USB redirection message to trigger a 4-byte write past the allocated 16-byte buffer, causing denial of service when verbose asserts are enabled.

Affected Platforms

Unknown

Weakness Type

CWE-617

References