CVE-2026-110835

freerdp3: FreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a ro...

CVE-2026-110835 is fixed in 34 products on 1 platform, first by DEBIAN-CVE-2026-110835, released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.8
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0026
17th percentile

FreeRDP 3.0.0 before 3.32.0 allows HTTP header injection in its proxy because a lone LF in the target portion of a routing token (Cookie: msts=) is not rejected and is written by http_proxy_connect into the CONNECT request line and Host header. A remote unauthenticated RDP client connecting to a proxy using FixedTarget=false and an upstream HTTP proxy can alter HTTP request/header framing at that upstream proxy.

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-2026-110835 Oct 16, 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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