CVE-2026-121962 | BDVDB-2026-400381 Detail

Description#

FreeRDP before 3.32.2 contains a heap buffer overflow in transport_default_read_pdu when handling partial Early User Authorization reads during PROTOCOL_HYBRID_EX CredSSP. A malicious RDP server can split the four-byte EUA result into short reads that advance the stream pointer beyond the 16 KiB allocation, causing an out-of-bounds write and client denial of service.

Impact#

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Exploit#

History#

1. Version 12026-11-04Record published in the CVE List.