CVE-2026-121393

6.5 MEDIUMpublic exploit available

Published 2026-11-03 · Updated 2026-11-03

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

FreeRDP from 3.0.0 before 3.32.2 contains a denial of service vulnerability that allows malicious RDP servers to abort clients built with verbose WinPR assertions by sending crafted RemoteFX region rectangles. Attackers can supply a rectangle with x set to 65535 alongside a SurfaceBits destination left of 1, triggering a 16-bit coordinate assertion in rfx_process_message that terminates the client process.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses

CWE-617

Vendors

freerdp

Products

freerdp

Public exploit & PoC references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7qw2-8h66-pvpw[Vendor Advisory]
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7qw2-8h66-pvpw[Vendor Advisory]

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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