Improper Input Validation Affecting freerdp/freerdp package, versions [,3.29.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.34% (27th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-19352821
  • published27 Aug 2026
  • disclosed1 Aug 2026
  • creditUnknown

Introduced: 1 Aug 2026

NewCVE-2026-67296  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade freerdp/freerdp to version 3.29.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation via the RDPEI server channel handler when it fails to validate the maximum PDU body length before stream allocation. An attacker can cause excessive memory allocation on the server by sending a header-only RDPEI message with a large declared body length.

CVSS Base Scores

version 4.0
version 3.1