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FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_rail_server_local_move_size` dereferences a freed `xfAppWindow` pointer because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. Version 3.23.0 fixes the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade freerdp | Mar 2, 2026 | Feb 25, 2026 |
| Amazon Linux Ami 2 | — | Upgrade libwinprUpgrade freerdp-libsUpgrade freerdpUpgrade freerdp-debuginfoUpgrade libwinpr-develUpgrade freerdp-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade freerdp-serverUpgrade freerdp-debugsourceUpgrade freerdp-debuginfoUpgrade libwinpr-debuginfoUpgrade freerdp-libsUpgrade libwinpr-develUpgrade freerdp-libs-debuginfoUpgrade libwinprUpgrade freerdp-server-debuginfoUpgrade freerdp-develUpgrade freerdp | Apr 7, 2026 | Feb 25, 2026 |
| Debian | — | Upgrade freerdp3 | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Feb 25, 2026 |
| Ubuntu | — | Upgrade libfreerdp3-3 | Mar 19, 2026 | Feb 25, 2026 |
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