# CVE-2023-39352: freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license CVE-2023-39352 is fixed in 18 products on 1 platform, first by freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2, released August 31, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-39352 - Priority: High - CVSS: 9.8 (Moderate) - EPSS: 0.0154 - 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. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: Incorrect offset calculation leading to DOS (CVE-2023-39350) * freerdp: Null Pointer Dereference leading DOS in RemoteFX (CVE-2023-39351) * freerdp: invalid offset validation leading to Out Of Bound Write (CVE-2023-39352) * freerdp: missing offset validation leading to Out-of-Bounds Read in gdi_multi_opaque_rect (CVE-2023-39356) * freerdp: Integer overflow leading to out-of-bound write vulnerability in gdi_CreateSurface (CVE-2023-40186) * freerdp: Out-of-bounds write in clear_decompress_bands_data (CVE-2023-40567) * freerdp: Out-of-bounds write in the `progressive_decompress` function due to incorrect calculations (CVE-2023-40569) * freerdp: buffer overflow in ncrush_decompress causes crash with crafted input (CVE-2023-40589) * freerdp: missing offset validation leading to Out Of Bound Read (CVE-2023-39353) * freerdp: Out-Of-Bounds Read in nsc_rle_decompress_data (CVE-2023-39354) * freerdp: integer-Underflow leading to Out-Of-Bound Read in zgfx_decompress_segment (CVE-2023-40181) * freerdp: Out-of-bounds read in general_LumaToYUV444 (CVE-2023-40188) 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 9.4 Release Notes linked from the References section. ## 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-2023-39352](https://patchblox.com/security/data/fix/linux/debian-cve-2023-39352.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | freerdp2-shadow-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [freerdp2-shadow-x11 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-shadow-x11-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | freerdp2-wayland Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [freerdp2-wayland 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-wayland-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [freerdp2-x11 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | freerdp2-x11 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [freerdp2-x11 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-freerdp2-x11-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libfreerdp-client2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libfreerdp-client2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-client2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libfreerdp-server2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libfreerdp-server2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-server2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow-subsystem2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libfreerdp-shadow-subsystem2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow-subsystem2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libfreerdp-shadow2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libfreerdp-shadow2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp-shadow2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libfreerdp2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libfreerdp2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libfreerdp2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libuwac0-0-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libuwac0-0 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libuwac0-0-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libuwac0-0 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libuwac0-0 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libuwac0-0-2.6.1-dfsg1-3ubuntu2.5.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+esm2 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libwinpr-tools2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libwinpr-tools2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libwinpr-tools2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr-tools2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [libwinpr2-2 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | libwinpr2-2 Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [libwinpr2-2 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwinpr2-2-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-winpr-utils-2.2.0-dfsg1-0ubuntu0.18.04.4-esm2.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.6 | [winpr-utils 2.2.0+dfsg1-0ubuntu0.20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-winpr-utils-2.2.0-dfsg1-0ubuntu0.20.04.6.md) | Aug 31, 2023 | | Linux | winpr-utils Ubuntu 22.04.1 LTS (jammy) | 2.6.1+dfsg1-3ubuntu2.5 | [winpr-utils 2.6.1+dfsg1-3ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-winpr-utils-2.6.1-dfsg1-3ubuntu2.5.md) | Aug 31, 2023 | --- Data as of 2026-11-08T00:53:09Z UTC. 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