FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the ClearCodec bands decode path when crafted band coordinates allow writes past the end of the destination surface buffer. A malicious server can trigger a clientโside heap buffer overflow, causing a crash (DoS) and potential heap corruption with codeโexecutio
VulnCheck: FreeRDP is
Exploit
CVE-2026-23534
VulnCheck
Update to v3.21.0