CVE-2026-109248

Medium

Description

FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convert_filedescriptors_to_file_list(), which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded _wcschr() and count_special_chars() calls without a NUL-termination guarantee. A malicious RDP server can send an odd-length FILEDESCRIPTORW blob in a CB_FORMAT_DATA_RESPONSE, crashing X11, Wayland, and SDL clients when the user pastes server-copied files.

SeverityMedium

CVSS6.5

Exploit probability—

ProductFreerdp

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

freerdp freerdp3.32.0 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jp2r-gm4v-wvq2

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	3.0.0 ≤ v < 3.32.0	3.32.0

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