Use After Free Affecting freerdp/freerdp package, versions [,3.21.0)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.17% (38th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-15038732
  • published20 Jan 2026
  • disclosed19 Jan 2026
  • creditKim Dong Han

Introduced: 19 Jan 2026

CVE-2026-23884  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade freerdp/freerdp to version 3.21.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in the offscreen.c bitmap deletion process. An attacker can cause a crash or potentially execute arbitrary code by enticing a client to connect to a maliciously-configured server.

CVSS Base Scores

version 4.0
version 3.1