CVE-2026-91945
FreeRDP before 3.31.0 Out-of-bounds Read via Smartcard ATR
CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-91945
PublishedFreeRDP 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-91945 · CVE overview and exploitation status
cve-program · CVE-2026-91945
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