CVE-2026-76840 | RustDesk up to 1.4.9 Clipboard Redirection wf_cliprdr.c CliprdrStream_Read req_fsize heap-based overflow

August 24, 2026 Yanac

A vulnerability marked as problematic has been reported in RustDesk up to 1.4.9. This affects the function CliprdrStream_Read of the file libs/clipboard/src/windows/wf_cliprdr.c of the component Clipboard Redirection. Performing a manipulation of the argument req_fsize results in heap-based buffer overflow.

This vulnerability is identified as CVE-2026-76840. The attack can be initiated remotely. There is not any exploit available.VulDB Recent EntriesRead More