CVE-2026-121395

MediumCVSS 6.5/10Last modified Nov 9, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-617

Affected software

No affected versions have been published.

Timeline

Published
Nov 3, 2026
Last modified
Nov 9, 2026
NVD status
Modified

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CVE-2026-121395: Medium severity, CVSS 6.5 | Vulnix