一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月16日

CVE-2026-91964 [HIGH] – FreeRDP versions before 3.31.0 contain a heap-based buffer overflow in nego_send_negotiati

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FreeRDP versions before 3.31.0 contain a heap-based buffer overflow in nego_send_negotiation_request when processing Server Redirection PDU messages with attacker-controlled LoadBalanceInfo fields. A malicious RDP server can trigger the overflow by sending an arbitrary-length field that gets written to a fixed 512-byte buffer without validation, causing client crashes or potential code execution when chained with memory disclosure.