CVE-2026-121395
freerdp3: FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential decoder when verbose Win...
CVE-2026-121395 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2026-121395, released November 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
17th percentile
FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential decoder when verbose WinPR assertions are enabled. A malicious RDP server can send a crafted RemoteFX tile with adjacent LL3 coefficients summing beyond signed 16-bit range to abort the client process.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| freerdp-proxy · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-proxy 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp-proxy-modules · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-proxy-modules 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp-sdl · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-sdl 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-shadow-x11 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp-wayland · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-wayland 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp-x11 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp-x11 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3 · Debian 14 | 3.32.2+dfsg-1 | DEBIAN-CVE-2026-121395 | Nov 4, 2026 |
| freerdp3-proxy · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-proxy 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3-proxy-modules · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-proxy-modules 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3-sdl · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-sdl 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3-shadow-x11 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | freerdp3-shadow-x11 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| freerdp3-shadow-x11 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-shadow-x11 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3-wayland · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | freerdp3-wayland 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| freerdp3-wayland · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-wayland 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| freerdp3-x11 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | freerdp3-x11 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| freerdp3-x11 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | freerdp3-x11 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp-client3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libfreerdp-client3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libfreerdp-client3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp-client3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp-server-proxy3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp-server-proxy3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp-server3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libfreerdp-server3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libfreerdp-server3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp-server3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp-shadow-subsystem3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libfreerdp-shadow-subsystem3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libfreerdp-shadow-subsystem3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp-shadow-subsystem3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp-shadow3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libfreerdp-shadow3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libfreerdp-shadow3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp-shadow3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libfreerdp3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libfreerdp3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libfreerdp3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libfreerdp3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libwinpr-tools3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libwinpr-tools3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libwinpr-tools3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libwinpr-tools3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| libwinpr3-3 · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | libwinpr3-3 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| libwinpr3-3 · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | libwinpr3-3 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| winpr-utils · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | winpr-utils 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
| winpr3-utils · Ubuntu 24.04.5 LTS (noble) | 3.32.2+dfsg-0ubuntu0.24.04.1 | winpr3-utils 3.32.2+dfsg-0ubuntu0.24.04.1 | Nov 11, 2026 |
| winpr3-utils · Ubuntu 26.04.1 LTS (resolute) | 3.32.2+dfsg-0ubuntu0.26.04.1 | winpr3-utils 3.32.2+dfsg-0ubuntu0.26.04.1 | Nov 11, 2026 |
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