Out-of-bounds Read Affecting freerdp/freerdp package, versions [,3.31.0)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.2% (9th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREERDPFREERDP-21191098
  • published18 Oct 2026
  • disclosed15 Sept 2026
  • creditUnknown

Introduced: 15 Sep 2026

CVE-2026-91958  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade freerdp/freerdp to version 3.31.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read in the parsing process of RDP connection files due to insufficient validation of the MonitorIds array values. An attacker can achieve unauthorized memory access and potentially execute arbitrary code or cause a denial of service by enticing a user to open a specially crafted RDP file containing an out-of-range selectedmonitors value.

References

CVSS Base Scores

version 4.0
version 3.1