Race Condition Affecting freerdp/freerdp package, versions [,3.22.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.28% (20th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-17912067
  • published9 Jul 2026
  • disclosed8 Jul 2026
  • creditUnknown

Introduced: 8 Jul 2026

NewCVE-2026-56297  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade freerdp/freerdp to version 3.22.0 or higher.

Overview

Affected versions of this package are vulnerable to Race Condition through improper synchronization of channel_callback access. An attacker can execute arbitrary code or cause a denial of service by concurrently sending specially crafted DYNVC_DATA and DYNVC_CLOSE messages from a malicious RDP server.

CVSS Base Scores

version 4.0
version 3.1