# CVE-2022-39316: freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license CVE-2022-39316 is fixed in 18 products on 1 platform, first by freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4, released November 16, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-39316 - Priority: High - CVSS: 7.5 (Moderate) - EPSS: 0.0106 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 16, 2022 ## Description FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: clients using `/parallel` command line switch might read uninitialized data (CVE-2022-39282) * freerdp: clients using the `/video` command line switch might read uninitialized data (CVE-2022-39283) * freerdp: out of bounds read in zgfx decoder (CVE-2022-39316) * freerdp: undefined behaviour in zgfx decoder (CVE-2022-39317) * freerdp: division by zero in urbdrc channel (CVE-2022-39318) * freerdp: missing length validation in urbdrc channel (CVE-2022-39319) * freerdp: heap buffer overflow in urbdrc channel (CVE-2022-39320) * freerdp: missing path sanitation with `drive` channel (CVE-2022-39347) * freerdp: missing input length validation in `drive` channel (CVE-2022-41877) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.8 Release Notes linked from the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | freerdp RHEL 8 | 2:2.2.0-10.el8 | [RHSA-2023:2851](https://patchblox.com/security/data/fix/linux/rhsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp RHEL 9 | 2:2.4.1-5.el9 | [RHSA-2023:2326](https://patchblox.com/security/data/fix/linux/rhsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp almalinux 8 | 2:2.2.0-10.el8 | [ALSA-2023:2851](https://patchblox.com/security/data/fix/linux/alsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp almalinux 9 | 2:2.4.1-5.el9 | [ALSA-2023:2326](https://patchblox.com/security/data/fix/linux/alsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp ol 8 | 2:2.2.0-10.el8 | [ELSA-2023-2851](https://patchblox.com/security/data/fix/linux/elsa-2023-2851.md) | May 24, 2023 | | Linux | freerdp ol 9 | 2:2.4.1-5.el9 | [ELSA-2023-2326](https://patchblox.com/security/data/fix/linux/elsa-2023-2326.md) | May 15, 2023 | | Linux | freerdp rocky 8 | 2:2.2.0-10.el8 | [RLSA-2023:2851](https://patchblox.com/security/data/fix/linux/rlsa-2023-2851.md) | Jun 25, 2026 | | Linux | freerdp-devel RHEL 8 | 2:2.2.0-10.el8 | [RHSA-2023:2851](https://patchblox.com/security/data/fix/linux/rhsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp-devel RHEL 9 | 2:2.4.1-5.el9 | [RHSA-2023:2326](https://patchblox.com/security/data/fix/linux/rhsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp-devel almalinux 8 | 2:2.2.0-10.el8 | [ALSA-2023:2851](https://patchblox.com/security/data/fix/linux/alsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp-devel almalinux 9 | 2:2.4.1-5.el9 | [ALSA-2023:2326](https://patchblox.com/security/data/fix/linux/alsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp-devel ol 8 | 2:2.2.0-10.el8 | [ELSA-2023-2851](https://patchblox.com/security/data/fix/linux/elsa-2023-2851.md) | May 24, 2023 | | Linux | freerdp-devel ol 9 | 2:2.4.1-5.el9 | [ELSA-2023-2326](https://patchblox.com/security/data/fix/linux/elsa-2023-2326.md) | May 15, 2023 | | Linux | freerdp-libs RHEL 8 | 2:2.2.0-10.el8 | [RHSA-2023:2851](https://patchblox.com/security/data/fix/linux/rhsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp-libs RHEL 9 | 2:2.4.1-5.el9 | [RHSA-2023:2326](https://patchblox.com/security/data/fix/linux/rhsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp-libs almalinux 8 | 2:2.2.0-10.el8 | [ALSA-2023:2851](https://patchblox.com/security/data/fix/linux/alsa-2023-2851.md) | May 16, 2023 | | Linux | freerdp-libs almalinux 9 | 2:2.4.1-5.el9 | [ALSA-2023:2326](https://patchblox.com/security/data/fix/linux/alsa-2023-2326.md) | May 9, 2023 | | Linux | freerdp-libs ol 8 | 2:2.2.0-10.el8 | [ELSA-2023-2851](https://patchblox.com/security/data/fix/linux/elsa-2023-2851.md) | May 24, 2023 | | Linux | freerdp-libs ol 9 | 2:2.4.1-5.el9 | [ELSA-2023-2326](https://patchblox.com/security/data/fix/linux/elsa-2023-2326.md) | May 15, 2023 | | Linux | freerdp2 Debian 12.15 (bookworm) | 2.9.0+dfsg1-1 | [DEBIAN-CVE-2022-39316](https://patchblox.com/security/data/fix/linux/debian-cve-2022-39316.md) | Nov 16, 2022 | | Linux | freerdp2-shadow-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-shadow-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-shadow-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [freerdp2-shadow-x11 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-shadow-x11-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | freerdp2-wayland Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-wayland Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-wayland Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [freerdp2-wayland 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-wayland-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | freerdp2-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | freerdp2-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [freerdp2-x11 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-x11-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libfreerdp-client2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-client2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-client2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libfreerdp-client2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-client2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libfreerdp-server2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-server2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-server2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libfreerdp-server2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-server2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libfreerdp-shadow-subsystem2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow-subsystem2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp-shadow2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libfreerdp-shadow2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libfreerdp2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libfreerdp2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libfreerdp2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libuwac0-0 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libuwac0-0-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libuwac0-0 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libuwac0-0-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libuwac0-0 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libuwac0-0 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libuwac0-0-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libwinpr RHEL 8 | 2:2.2.0-10.el8 | [RHSA-2023:2851](https://patchblox.com/security/data/fix/linux/rhsa-2023-2851.md) | May 16, 2023 | | Linux | libwinpr RHEL 9 | 2:2.4.1-5.el9 | [RHSA-2023:2326](https://patchblox.com/security/data/fix/linux/rhsa-2023-2326.md) | May 9, 2023 | | Linux | libwinpr almalinux 8 | 2:2.2.0-10.el8 | [ALSA-2023:2851](https://patchblox.com/security/data/fix/linux/alsa-2023-2851.md) | May 16, 2023 | | Linux | libwinpr almalinux 9 | 2:2.4.1-5.el9 | [ALSA-2023:2326](https://patchblox.com/security/data/fix/linux/alsa-2023-2326.md) | May 9, 2023 | | Linux | libwinpr ol 8 | 2:2.2.0-10.el8 | [ELSA-2023-2851](https://patchblox.com/security/data/fix/linux/elsa-2023-2851.md) | May 24, 2023 | | Linux | libwinpr ol 9 | 2:2.4.1-5.el9 | [ELSA-2023-2326](https://patchblox.com/security/data/fix/linux/elsa-2023-2326.md) | May 15, 2023 | | Linux | libwinpr-devel RHEL 8 | 2:2.2.0-10.el8 | [RHSA-2023:2851](https://patchblox.com/security/data/fix/linux/rhsa-2023-2851.md) | May 16, 2023 | | Linux | libwinpr-devel RHEL 9 | 2:2.4.1-5.el9 | [RHSA-2023:2326](https://patchblox.com/security/data/fix/linux/rhsa-2023-2326.md) | May 9, 2023 | | Linux | libwinpr-devel almalinux 8 | 2:2.2.0-10.el8 | [ALSA-2023:2851](https://patchblox.com/security/data/fix/linux/alsa-2023-2851.md) | May 16, 2023 | | Linux | libwinpr-devel almalinux 9 | 2:2.4.1-5.el9 | [ALSA-2023:2326](https://patchblox.com/security/data/fix/linux/alsa-2023-2326.md) | May 9, 2023 | | Linux | libwinpr-devel ol 8 | 2:2.2.0-10.el8 | [ELSA-2023-2851](https://patchblox.com/security/data/fix/linux/elsa-2023-2851.md) | May 24, 2023 | | Linux | libwinpr-devel ol 9 | 2:2.4.1-5.el9 | [ELSA-2023-2326](https://patchblox.com/security/data/fix/linux/elsa-2023-2326.md) | May 15, 2023 | | Linux | libwinpr-tools2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libwinpr-tools2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libwinpr-tools2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libwinpr-tools2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr-tools2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | libwinpr2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | libwinpr2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | libwinpr2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [libwinpr2-2 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr2-2-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | | Linux | winpr-utils Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-winpr-utils-2.2.0-dfsg1-0ubuntu0.18.04.4.md) | Nov 16, 2022 | | Linux | winpr-utils Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.4 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-winpr-utils-2.2.0-dfsg1-0ubuntu0.20.04.4.md) | Nov 16, 2022 | | Linux | winpr-utils Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.3 | [winpr-utils 2.6.1+dfsg1-3ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-winpr-utils-2.6.1-dfsg1-3ubuntu2.3.md) | Nov 16, 2022 | --- Data as of 2026-11-08T13:06:02Z UTC. 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