CVE-2026-109248

freerdp3-shadow-x11: FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convert_filedescriptor...

CVE-2026-109248 is fixed in 34 products on 1 platform, first by DEBIAN-CVE-2026-109248, released October 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0032
24th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
freerdp · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-debuginfo · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-debugsource · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-devel · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-libs · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-libs-debuginfo · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-proxy · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-proxy 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-proxy-modules · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-proxy-modules 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-sdl · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-sdl 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-server · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-server-debuginfo · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
freerdp-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-shadow-x11 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-wayland · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-wayland 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-x11 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp-x11 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3 · Debian 14 3.32.0+dfsg-1 DEBIAN-CVE-2026-109248 Oct 12, 2026
freerdp3-proxy · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-proxy 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-proxy-modules · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-proxy-modules 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-sdl · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-sdl 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-shadow-x11 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 freerdp3-shadow-x11 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
freerdp3-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-shadow-x11 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-wayland · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 freerdp3-wayland 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
freerdp3-wayland · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-wayland 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-x11 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 freerdp3-x11 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
freerdp3-x11 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 freerdp3-x11 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-client3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libfreerdp-client3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libfreerdp-client3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp-client3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-server-proxy3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp-server-proxy3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-server3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libfreerdp-server3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libfreerdp-server3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp-server3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-shadow-subsystem3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libfreerdp-shadow-subsystem3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libfreerdp-shadow-subsystem3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp-shadow-subsystem3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-shadow3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libfreerdp-shadow3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libfreerdp-shadow3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp-shadow3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libfreerdp3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libfreerdp3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libfreerdp3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libwinpr · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
libwinpr-debuginfo · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
libwinpr-devel · amzn 2023 2:3.32.1-1.amzn2023.0.1 ALAS2023-2026-3307 Nov 7, 2026
libwinpr-tools3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libwinpr-tools3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libwinpr-tools3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libwinpr-tools3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libwinpr3-3 · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 libwinpr3-3 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
libwinpr3-3 · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 libwinpr3-3 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
winpr-utils · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 winpr-utils 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
winpr3-utils · Ubuntu 24.04.5 LTS (noble) 3.32.0+dfsg-0ubuntu0.24.04.1 winpr3-utils 3.32.0+dfsg-0ubuntu0.24.04.1 Oct 19, 2026
winpr3-utils · Ubuntu 26.04.1 LTS (resolute) 3.32.0+dfsg-0ubuntu0.26.04.1 winpr3-utils 3.32.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026

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