freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol
CVE-2026-22853 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2026-22853, released January 14, 2026. It is not reported as exploited. Patch Radar priority: High.
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, RDPEAR’s NDR array reader does not perform bounds checking on the on‑wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow in ndr_read_uint8Array. This vulnerability is fixed in 3.20.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| freerdp · RHEL 10 | 3.10.3-3.el10_0.2 | RHSA-2026:4121 | Feb 9, 2026 |
| freerdp · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| freerdp · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| freerdp · opensuse-leap 16.0 | 3.22.0-160000.1.1 | OPENSUSE-SU-2026:20339-1 | Mar 10, 2026 |
| freerdp · rocky 10 | 2:3.10.3-5.el10_1.2 | RLSA-2026:3068 | Feb 24, 2026 |
| freerdp · sles 15.7 | 3.10.3-150700.3.3.1 | SUSE-SU-2026:0345-1 | Jan 30, 2026 |
| freerdp-devel · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| freerdp-devel · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| freerdp-libs · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| freerdp-libs · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| freerdp-server · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| freerdp-server · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| freerdp3 · Debian 13.5 (trixie) | 3.15.0+dfsg-2.1+deb13u1 | DEBIAN-CVE-2026-22853 | Jan 14, 2026 |
| freerdp3 · Debian 14 | 3.20.2+dfsg-1 | DEBIAN-CVE-2026-22853 | Jan 14, 2026 |
| freerdp3-proxy · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-proxy 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| freerdp3-proxy-modules · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-proxy-modules 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| freerdp3-sdl · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-sdl 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| freerdp3-shadow-x11 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-shadow-x11 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| freerdp3-wayland · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-wayland 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| freerdp3-x11 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | freerdp3-x11 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp-client3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp-client3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp-server-proxy3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp-server-proxy3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp-server3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp-server3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp-shadow-subsystem3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp-shadow-subsystem3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp-shadow3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp-shadow3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libfreerdp3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libfreerdp3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libwinpr · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| libwinpr · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| libwinpr-devel · almalinux 10 | 2:3.10.3-5.el10_1.2 | ALSA-2026:3068 | Feb 23, 2026 |
| libwinpr-devel · ol 10 | 2:3.10.3-5.el10_1.2 | ELSA-2026-3068 | Feb 23, 2026 |
| libwinpr-tools3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libwinpr-tools3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| libwinpr3-3 · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | libwinpr3-3 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
| winpr3-utils · Ubuntu 25.10 (questing) | 3.16.0+dfsg-2ubuntu0.3 | winpr3-utils 3.16.0+dfsg-2ubuntu0.3 | Feb 25, 2026 |
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