# CVE-2023-40567: freerdp2: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license CVE-2023-40567 is fixed in 18 products on 1 platform, first by freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1, released August 31, 2023. It is not reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2023-40567 - Priority: Urgent - CVSS: 9.8 (critical) - EPSS: 0.0150 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 31, 2023 ## Description FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of this vulnerability may lead to an out of bounds write. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | freerdp RHEL 9 | 2:2.11.2-1.el9 | [RHSA-2024:2208](https://patchblox.com/security/data/fix/linux/rhsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp almalinux 9 | 2:2.11.2-1.el9 | [ALSA-2024:2208](https://patchblox.com/security/data/fix/linux/alsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp ol 9 | 2:2.11.2-1.el9 | [ELSA-2024-2208](https://patchblox.com/security/data/fix/linux/elsa-2024-2208.md) | May 2, 2024 | | Linux | freerdp-devel RHEL 9 | 2:2.11.2-1.el9 | [RHSA-2024:2208](https://patchblox.com/security/data/fix/linux/rhsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp-devel almalinux 9 | 2:2.11.2-1.el9 | [ALSA-2024:2208](https://patchblox.com/security/data/fix/linux/alsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp-devel ol 9 | 2:2.11.2-1.el9 | [ELSA-2024-2208](https://patchblox.com/security/data/fix/linux/elsa-2024-2208.md) | May 2, 2024 | | Linux | freerdp-libs RHEL 9 | 2:2.11.2-1.el9 | [RHSA-2024:2208](https://patchblox.com/security/data/fix/linux/rhsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp-libs almalinux 9 | 2:2.11.2-1.el9 | [ALSA-2024:2208](https://patchblox.com/security/data/fix/linux/alsa-2024-2208.md) | Apr 30, 2024 | | Linux | freerdp-libs ol 9 | 2:2.11.2-1.el9 | [ELSA-2024-2208](https://patchblox.com/security/data/fix/linux/elsa-2024-2208.md) | May 2, 2024 | | Linux | freerdp2 Debian 12.15 (bookworm) | 2.11.7+dfsg1-6~deb12u1 | [DEBIAN-CVE-2023-40567](https://patchblox.com/security/data/fix/linux/debian-cve-2023-40567.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [freerdp2-shadow-x11 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-shadow-x11-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [freerdp2-wayland 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-wayland-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [freerdp2-x11 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-x11-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libfreerdp-client2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-client2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libfreerdp-server2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-server2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libfreerdp-shadow-subsystem2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow-subsystem2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libfreerdp-shadow2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libfreerdp2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libuwac0-0-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libuwac0-0-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libuwac0-0 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libuwac0-0-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libwinpr RHEL 9 | 2:2.11.2-1.el9 | [RHSA-2024:2208](https://patchblox.com/security/data/fix/linux/rhsa-2024-2208.md) | Apr 30, 2024 | | Linux | libwinpr almalinux 9 | 2:2.11.2-1.el9 | [ALSA-2024:2208](https://patchblox.com/security/data/fix/linux/alsa-2024-2208.md) | Apr 30, 2024 | | Linux | libwinpr ol 9 | 2:2.11.2-1.el9 | [ELSA-2024-2208](https://patchblox.com/security/data/fix/linux/elsa-2024-2208.md) | May 2, 2024 | | Linux | libwinpr-devel RHEL 9 | 2:2.11.2-1.el9 | [RHSA-2024:2208](https://patchblox.com/security/data/fix/linux/rhsa-2024-2208.md) | Apr 30, 2024 | | Linux | libwinpr-devel almalinux 9 | 2:2.11.2-1.el9 | [ALSA-2024:2208](https://patchblox.com/security/data/fix/linux/alsa-2024-2208.md) | Apr 30, 2024 | | Linux | libwinpr-devel ol 9 | 2:2.11.2-1.el9 | [ELSA-2024-2208](https://patchblox.com/security/data/fix/linux/elsa-2024-2208.md) | May 2, 2024 | | Linux | libwinpr-tools2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libwinpr-tools2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libwinpr-tools2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libwinpr-tools2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr-tools2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [libwinpr2-2 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr2-2-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-winpr-utils-2.2.0-dfsg1-0ubuntu0.18.04.4-esm1.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.5 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-winpr-utils-2.2.0-dfsg1-0ubuntu0.20.04.5.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.4 | [winpr-utils 2.6.1+dfsg1-3ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-winpr-utils-2.6.1-dfsg1-3ubuntu2.4.md) | Aug 31, 2023 | --- Data as of 2026-11-08T06:59:42Z UTC. 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