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Vulnerability DatabaseCVE-2026-25997

CVE-2026-25997: 
NixOS vulnerability analysis and mitigation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, xf_clipboard_format_equal reads freed lastSentFormats memory because xf_clipboard_formats_free (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in xf_clipboard_changed, triggering a heap use after free. Version 3.23.0 fixes the issue.

Source: NVD

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-21010HIGH7.8
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CVE-2026-21009MEDIUM4.1
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NoNoApr 13, 2026

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