# CVE-2026-31885: freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol

CVE-2026-31885 is fixed in 24 products on 1 platform, first by DEBIAN-CVE-2026-31885, released March 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-31885
- Priority: High
- CVSS: 9.4 (Medium)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 13, 2026

## Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | freerdp RHEL 10 | 3.10.3-3.el10_0.7 | [RHSA-2026:20605](https://patchblox.com/security/data/fix/linux/rhsa-2026-20605.md) | Mar 30, 2026 |
| Linux | freerdp RHEL 8 | 2:2.11.7-9.el8_10 | [RHSA-2026:16019](https://patchblox.com/security/data/fix/linux/rhsa-2026-16019.md) | May 15, 2026 |
| Linux | freerdp RHEL 9 | 2:2.11.7-7.el9_8.3 | [RHSA-2026:19358](https://patchblox.com/security/data/fix/linux/rhsa-2026-19358.md) | May 15, 2026 |
| Linux | freerdp almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp almalinux 8 | 2:2.11.7-9.el8_10 | [ALSA-2026:16019](https://patchblox.com/security/data/fix/linux/alsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp almalinux 9 | 2:2.11.7-7.el9_8.3 | [ALSA-2026:19358](https://patchblox.com/security/data/fix/linux/alsa-2026-19358.md) | May 19, 2026 |
| Linux | freerdp amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp ol 8 | 2:2.11.7-9.el8_10 | [ELSA-2026-16019](https://patchblox.com/security/data/fix/linux/elsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp ol 9 | 2:2.11.7-1.el9_7.7 | [ELSA-2026-16482](https://patchblox.com/security/data/fix/linux/elsa-2026-16482.md) | May 12, 2026 |
| Linux | freerdp opensuse-leap 15.6 | 2.11.2-150600.4.18.1 | [SUSE-SU-2026:1160-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1160-1.md) | Mar 31, 2026 |
| Linux | freerdp rocky 10 | 2:3.10.3-12.el10_2.5 | [RLSA-2026:19142](https://patchblox.com/security/data/fix/linux/rlsa-2026-19142.md) | May 29, 2026 |
| Linux | freerdp rocky 8 | 2:2.11.7-9.el8_10 | [RLSA-2026:16019](https://patchblox.com/security/data/fix/linux/rlsa-2026-16019.md) | May 13, 2026 |
| Linux | freerdp rocky 9 | 2:2.11.7-7.el9_8.3 | [RLSA-2026:19358](https://patchblox.com/security/data/fix/linux/rlsa-2026-19358.md) | May 28, 2026 |
| Linux | freerdp sles 15.7 | 3.10.3-150700.3.9.1 | [SUSE-SU-2026:1398-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1398-1.md) | Apr 16, 2026 |
| Linux | freerdp-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-debugsource amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-devel RHEL 8 | 2:2.11.7-9.el8_10 | [RHSA-2026:16019](https://patchblox.com/security/data/fix/linux/rhsa-2026-16019.md) | May 15, 2026 |
| Linux | freerdp-devel RHEL 9 | 2:2.11.7-7.el9_8.3 | [RHSA-2026:19358](https://patchblox.com/security/data/fix/linux/rhsa-2026-19358.md) | May 15, 2026 |
| Linux | freerdp-devel almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-devel almalinux 8 | 2:2.11.7-9.el8_10 | [ALSA-2026:16019](https://patchblox.com/security/data/fix/linux/alsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp-devel almalinux 9 | 2:2.11.7-7.el9_8.3 | [ALSA-2026:19358](https://patchblox.com/security/data/fix/linux/alsa-2026-19358.md) | May 19, 2026 |
| Linux | freerdp-devel amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-devel ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-devel ol 8 | 2:2.11.7-9.el8_10 | [ELSA-2026-16019](https://patchblox.com/security/data/fix/linux/elsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp-devel ol 9 | 2:2.11.7-1.el9_7.7 | [ELSA-2026-16482](https://patchblox.com/security/data/fix/linux/elsa-2026-16482.md) | May 12, 2026 |
| Linux | freerdp-libs RHEL 8 | 2:2.11.7-9.el8_10 | [RHSA-2026:16019](https://patchblox.com/security/data/fix/linux/rhsa-2026-16019.md) | May 15, 2026 |
| Linux | freerdp-libs RHEL 9 | 2:2.11.7-7.el9_8.3 | [RHSA-2026:19358](https://patchblox.com/security/data/fix/linux/rhsa-2026-19358.md) | May 15, 2026 |
| Linux | freerdp-libs almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-libs almalinux 8 | 2:2.11.7-9.el8_10 | [ALSA-2026:16019](https://patchblox.com/security/data/fix/linux/alsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp-libs almalinux 9 | 2:2.11.7-7.el9_8.3 | [ALSA-2026:19358](https://patchblox.com/security/data/fix/linux/alsa-2026-19358.md) | May 19, 2026 |
| Linux | freerdp-libs amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-libs ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-libs ol 8 | 2:2.11.7-9.el8_10 | [ELSA-2026-16019](https://patchblox.com/security/data/fix/linux/elsa-2026-16019.md) | May 11, 2026 |
| Linux | freerdp-libs ol 9 | 2:2.11.7-1.el9_7.7 | [ELSA-2026-16482](https://patchblox.com/security/data/fix/linux/elsa-2026-16482.md) | May 12, 2026 |
| Linux | freerdp-libs-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-server almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-server amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp-server ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | freerdp-server-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | freerdp2 sles 15.7 | 2.11.7-150700.3.14.1 | [SUSE-SU-2026:1164-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1164-1.md) | Apr 1, 2026 |
| Linux | freerdp3 Debian 13.5 (trixie) | 3.15.0+dfsg-2.1+deb13u2 | [DEBIAN-CVE-2026-31885](https://patchblox.com/security/data/fix/linux/debian-cve-2026-31885.md) | Mar 13, 2026 |
| Linux | freerdp3 Debian 14 | 3.24.0+dfsg-1 | [DEBIAN-CVE-2026-31885](https://patchblox.com/security/data/fix/linux/debian-cve-2026-31885.md) | Mar 13, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-shadow-x11-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-wayland-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-freerdp3-x11-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-client3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-server3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-shadow-subsystem3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp-shadow3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libfreerdp3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | libwinpr RHEL 8 | 2:2.11.7-9.el8_10 | [RHSA-2026:16019](https://patchblox.com/security/data/fix/linux/rhsa-2026-16019.md) | May 15, 2026 |
| Linux | libwinpr RHEL 9 | 2:2.11.7-7.el9_8.3 | [RHSA-2026:19358](https://patchblox.com/security/data/fix/linux/rhsa-2026-19358.md) | May 15, 2026 |
| Linux | libwinpr almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | libwinpr almalinux 8 | 2:2.11.7-9.el8_10 | [ALSA-2026:16019](https://patchblox.com/security/data/fix/linux/alsa-2026-16019.md) | May 11, 2026 |
| Linux | libwinpr almalinux 9 | 2:2.11.7-7.el9_8.3 | [ALSA-2026:19358](https://patchblox.com/security/data/fix/linux/alsa-2026-19358.md) | May 19, 2026 |
| Linux | libwinpr amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | libwinpr ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | libwinpr ol 8 | 2:2.11.7-9.el8_10 | [ELSA-2026-16019](https://patchblox.com/security/data/fix/linux/elsa-2026-16019.md) | May 11, 2026 |
| Linux | libwinpr ol 9 | 2:2.11.7-1.el9_7.7 | [ELSA-2026-16482](https://patchblox.com/security/data/fix/linux/elsa-2026-16482.md) | May 12, 2026 |
| Linux | libwinpr-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | libwinpr-devel RHEL 8 | 2:2.11.7-9.el8_10 | [RHSA-2026:16019](https://patchblox.com/security/data/fix/linux/rhsa-2026-16019.md) | May 15, 2026 |
| Linux | libwinpr-devel RHEL 9 | 2:2.11.7-7.el9_8.3 | [RHSA-2026:19358](https://patchblox.com/security/data/fix/linux/rhsa-2026-19358.md) | May 15, 2026 |
| Linux | libwinpr-devel almalinux 10 | 2:3.10.3-5.el10_1.8 | [ALSA-2026:16014](https://patchblox.com/security/data/fix/linux/alsa-2026-16014.md) | May 11, 2026 |
| Linux | libwinpr-devel almalinux 8 | 2:2.11.7-9.el8_10 | [ALSA-2026:16019](https://patchblox.com/security/data/fix/linux/alsa-2026-16019.md) | May 11, 2026 |
| Linux | libwinpr-devel almalinux 9 | 2:2.11.7-7.el9_8.3 | [ALSA-2026:19358](https://patchblox.com/security/data/fix/linux/alsa-2026-19358.md) | May 19, 2026 |
| Linux | libwinpr-devel amzn 2023 | 2:3.6.3-1.amzn2023.0.8 | [ALAS2023-2026-1520](https://patchblox.com/security/data/fix/linux/alas2023-2026-1520.md) | Mar 30, 2026 |
| Linux | libwinpr-devel ol 10 | 2:3.10.3-5.el10_1.8 | [ELSA-2026-16014](https://patchblox.com/security/data/fix/linux/elsa-2026-16014.md) | May 11, 2026 |
| Linux | libwinpr-devel ol 8 | 2:2.11.7-9.el8_10 | [ELSA-2026-16019](https://patchblox.com/security/data/fix/linux/elsa-2026-16019.md) | May 11, 2026 |
| Linux | libwinpr-devel ol 9 | 2:2.11.7-1.el9_7.7 | [ELSA-2026-16482](https://patchblox.com/security/data/fix/linux/elsa-2026-16482.md) | May 12, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwinpr-tools3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwinpr3-3-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-noble-winpr3-utils-3.30.0-dfsg-0ubuntu0.24.04.1.md) | Jul 23, 2026 |

---

Data as of 2026-11-09T07:25:28Z 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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