Medium severity6.5NVD Advisory· Published Sep 15, 2026
CVE-2026-91951
CVE-2026-91951
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.
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Affected products
1Patches
Vulnerability mechanics
References
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