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2026-01-19
FreeRDP Client Use-After-Free Vulnerability (CVE-2026-23883) Security Advisory: Remote Code Execution and DoS Risk
[Affected Scope] X11-based RDP client environments running FreeRDP versions prior to 3.21.0
[Impact] Connecting to a malicious RDP server can trigger client-side memory corruption (UAF), leading to application crashes (DoS) or potential remote code execution (RCE)
[Mitigation] Immediately upgrade FreeRDP to the patched version 3.21.0 or higher