# CVE-2026-33982: freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol CVE-2026-33982 is fixed in 23 products on 1 platform, first by RHSA-2026:20605, released March 30, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-33982 - Priority: High - CVSS: 8.1 (Medium) - EPSS: 0.0019 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 30, 2026 ## Description FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2. ## 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 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 amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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 opensuse-leap 16.0 | 3.26.0-160000.1.1 | [OPENSUSE-SU-2026:21116-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21116-1.md) | Jun 20, 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 sles 15.7 | 3.10.3-150700.3.17.1 | [SUSE-SU-2026:3562-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3562-1.md) | Aug 10, 2026 | | Linux | freerdp sles 16.0 | 3.26.0-160000.1.1 | [SUSE-SU-2026:22194-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22194-1.md) | Jun 20, 2026 | | Linux | freerdp-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 2026 | | Linux | freerdp-debugsource amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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 amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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-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 amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 2026 | | Linux | freerdp3 Debian 13.5 (trixie) | 3.15.0+dfsg-2.1+deb13u2 | [DEBIAN-CVE-2026-33982](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33982.md) | Mar 30, 2026 | | Linux | freerdp3 Debian 14 | 3.24.2+dfsg-1 | [DEBIAN-CVE-2026-33982](https://patchblox.com/security/data/fix/linux/debian-cve-2026-33982.md) | Mar 30, 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 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 amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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-debuginfo amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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 amzn 2023 | 2:3.6.3-1.amzn2023.0.10 | [ALAS2023-2026-1549](https://patchblox.com/security/data/fix/linux/alas2023-2026-1549.md) | Apr 13, 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-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 2026-11-08T19:12:23Z UTC. 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