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FreeRDP freerdpFreeRDP before 3.31.0 Out-of-bounds Read via Smartcard ATR

Risk 29
Severity
7.1
EPSS
0.57%
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

FreeRDP versions before 3.31.0 contain an out-of-bounds read vulnerability in smartcard response decoders that fail to validate ATR length fields against fixed inline arrays. Authenticated RDP clients can send oversized ATR lengths in PAKIDCOREDEVICEIOCOMPLETION responses to trigger reads past stack or heap objects, causing process termination.

First published (updated )
CVE-2026-91945

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