Heap-based Buffer Overflow Affecting freerdp/freerdp package, versions [,3.20.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.08% (25th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-14947502
  • published16 Jan 2026
  • disclosed14 Jan 2026
  • creditKim Dong Han

Introduced: 14 Jan 2026

CVE-2026-22852  (opens in a new tab)
CWE-122  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade freerdp/freerdp to version 3.20.1 or higher.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the audin_process_formats function. An attacker can cause memory corruption and application crash by sending Audio Input (AUDIN) format lists from a malicious RDP server.

CVSS Base Scores

version 4.0
version 3.1