CVE-2026-25959

FreeRDP prior to 3.23.0 is vulnerable to CVE-2026-25959 via the xf_cliprdr_provide_data_ path: the cliprdr server formats clipboard data without holding a lock, while the X11 event thread can concurrently free the same data (xf_cached_data_free) in HashTable_Clear, causing a heap-use-after-free. ...