CVE-2026-63117

freerdp3: FreeRDP is a free implementation of the Remote Desktop Protocol

CVE-2026-63117 is fixed in 34 products on 1 platform, first by freerdp3-shadow-x11 3.30.0+dfsg-0ubuntu0.24.04.1, released July 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0055
46th percentile

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to 8 and nChannels equal to 2 to make the `bs` calculation in rdpsnd_server_select_format in channels/rdpsnd/server/rdpsnd_main.c equal zero. The subsequent out_frames modulo `bs` operation raises SIGFPE and terminates the server-side rdpsnd channel process. This vulnerability fixed in 3.28.0.

Where it's fixed

ProductFixed inFixReleased
Linux
freerdp · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-debuginfo · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-debugsource · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-devel · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-libs · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-libs-debuginfo · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-proxy · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-proxy 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-proxy-modules · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-proxy-modules 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-sdl · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-sdl 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-server · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-server-debuginfo · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
freerdp-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-shadow-x11 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-wayland · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-wayland 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp-x11 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp-x11 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3 · Debian 14 3.28.0+dfsg-1 DEBIAN-CVE-2026-63117 Aug 20, 2026
freerdp3-proxy · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-proxy 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-proxy-modules · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-proxy-modules 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-sdl · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-sdl 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-shadow-x11 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 freerdp3-shadow-x11 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
freerdp3-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-shadow-x11 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-wayland · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 freerdp3-wayland 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
freerdp3-wayland · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-wayland 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
freerdp3-x11 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 freerdp3-x11 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
freerdp3-x11 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 freerdp3-x11 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-client3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libfreerdp-client3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libfreerdp-client3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp-client3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-server-proxy3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp-server-proxy3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-server3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libfreerdp-server3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libfreerdp-server3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp-server3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-shadow-subsystem3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libfreerdp-shadow-subsystem3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libfreerdp-shadow-subsystem3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp-shadow-subsystem3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp-shadow3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libfreerdp-shadow3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libfreerdp-shadow3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp-shadow3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libfreerdp3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libfreerdp3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libfreerdp3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libfreerdp3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libwinpr · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
libwinpr-debuginfo · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
libwinpr-devel · amzn 2023 2:3.31.0-1.amzn2023 ALAS2023-2026-2142 Sep 14, 2026
libwinpr-tools3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libwinpr-tools3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libwinpr-tools3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libwinpr-tools3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
libwinpr3-3 · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 libwinpr3-3 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
libwinpr3-3 · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 libwinpr3-3 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
winpr-utils · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 winpr-utils 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026
winpr3-utils · Ubuntu 24.04.5 LTS (noble) 3.30.0+dfsg-0ubuntu0.24.04.1 winpr3-utils 3.30.0+dfsg-0ubuntu0.24.04.1 Jul 23, 2026
winpr3-utils · Ubuntu 26.04.1 LTS (resolute) 3.30.0+dfsg-0ubuntu0.26.04.1 winpr3-utils 3.30.0+dfsg-0ubuntu0.26.04.1 Nov 7, 2026

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