CVE-2026-25997 FreeRDP has heap-use-after-free in xf_clipboard_format_equal

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xfclipboardformatequal reads freed lastSentFormats memory because xfclipboardformatsfree called from the cliprdr channel thread during auto-reconnect frees the array while the X11 event thread concurrently...

FASTRPC_ATTR_KEEP_MAP Use-After-Free

A FASTRPCATTRKEEPMAP logic bug allows fastrpcinternalmunmapfd to concurrently free in-use mappings leading to a use-after-free condition...