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CVE-2026-25953

🚨 CRITICAL

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_AppUpdateWindowFromSurface` reads from a freed `xfAppWindow` because the RDPGFX DVC thread obtains a bare...

Published
Feb 25, 2026
Last Modified
Feb 27, 2026
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Description

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FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_AppUpdateWindowFromSurface` reads from a freed `xfAppWindow` because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order. Version 3.23.0 fixes the issue.

Affected Products (1)

freerdp - freerdp

Version: *

CVSS Scores

CVSS 3.1 9.8
9.8
CRITICAL
CVSS 2.0 9.8

References

github.com github.com github.com github.com github.com github.com github.com github.com github.com github.com github.com

Additional Information

Source
security-advisories@github.com
State
Analyzed

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