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 PAKID_CORE_DEVICE_IOCOMPLETION responses to trigger reads past stack or heap objects, causing process termination.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade libwinprUpgrade libwinpr-debuginfoUpgrade freerdp-libs-debuginfoUpgrade freerdp-debuginfoUpgrade freerdp-serverUpgrade freerdp-libsUpgrade freerdp-server-debuginfoUpgrade freerdp-develUpgrade libwinpr-develUpgrade freerdp-debugsourceUpgrade freerdp | Sep 30, 2026 | Sep 15, 2026 |
| Ubuntu | — | Upgrade freerdp3 | Sep 22, 2026 | Sep 16, 2026 |
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