# CVE-2026-25955: freerdp3: FreeRDP is a free implementation of the Remote Desktop Protocol

CVE-2026-25955 is fixed in 27 products on 1 platform, first by freerdp3-proxy 3.16.0+dfsg-2ubuntu0.3, released February 25, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-25955
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0057
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 25, 2026

## Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_AppUpdateWindowFromSurface` reuses a cached `XImage` whose `data` pointer references a freed RDPGFX surface buffer, because `gdi_DeleteSurface` frees `surface->data` without invalidating the `appWindow->image` that aliases it. Version 3.23.0 fixes the issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | freerdp amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-debugsource amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-devel amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-libs amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-libs-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-server amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp-server-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | freerdp3 Debian 13.5 (trixie) | 3.15.0+dfsg-2.1+deb13u1 | [DEBIAN-CVE-2026-25955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-25955.md) | Feb 25, 2026 |
| Linux | freerdp3 Debian 14 | 3.23.0+dfsg-1 | [DEBIAN-CVE-2026-25955](https://patchblox.com/security/data/fix/linux/debian-cve-2026-25955.md) | Feb 25, 2026 |
| Linux | freerdp3-proxy Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-proxy 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-proxy-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | freerdp3-proxy-modules Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-proxy-modules 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-proxy-modules-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | freerdp3-sdl Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-sdl 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-sdl-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | freerdp3-shadow-x11 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [freerdp3-shadow-x11 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-shadow-x11-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | freerdp3-shadow-x11 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-shadow-x11 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-shadow-x11-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | freerdp3-wayland Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [freerdp3-wayland 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-wayland-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | freerdp3-wayland Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-wayland 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-wayland-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | freerdp3-x11 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [freerdp3-x11 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-x11-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | freerdp3-x11 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [freerdp3-x11 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-freerdp3-x11-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp-client3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libfreerdp-client3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-client3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libfreerdp-client3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp-client3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp-client3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp-server-proxy3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp-server-proxy3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp-server-proxy3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp-server3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libfreerdp-server3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-server3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libfreerdp-server3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp-server3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp-server3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp-shadow-subsystem3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libfreerdp-shadow-subsystem3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-shadow-subsystem3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libfreerdp-shadow-subsystem3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp-shadow-subsystem3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp-shadow-subsystem3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp-shadow3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libfreerdp-shadow3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-shadow3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libfreerdp-shadow3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp-shadow3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp-shadow3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libfreerdp3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libfreerdp3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libfreerdp3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libfreerdp3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libfreerdp3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libwinpr amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | libwinpr-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | libwinpr-devel amzn 2023 | 2:3.6.3-1.amzn2023.0.7 | [ALAS2023-2026-1512](https://patchblox.com/security/data/fix/linux/alas2023-2026-1512.md) | Mar 30, 2026 |
| Linux | libwinpr-tools3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libwinpr-tools3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwinpr-tools3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libwinpr-tools3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libwinpr-tools3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libwinpr-tools3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | libwinpr3-3 Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [libwinpr3-3 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwinpr3-3-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | libwinpr3-3 Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [libwinpr3-3 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libwinpr3-3-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |
| Linux | winpr3-utils Ubuntu 24.04.5 LTS (noble) | 3.5.1+dfsg1-0ubuntu1.4 | [winpr3-utils 3.5.1+dfsg1-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-winpr3-utils-3.5.1-dfsg1-0ubuntu1.4.md) | Feb 25, 2026 |
| Linux | winpr3-utils Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | [winpr3-utils 3.16.0+dfsg-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-winpr3-utils-3.16.0-dfsg-2ubuntu0.3.md) | Feb 25, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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