Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

INFO

Published Date :

2026-01-14T17:53:04.756Z

Last Modified :

2026-02-26T15:04:09.196Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-22856 vulnerability.

Vendors Products
Freerdp
  • Freerdp
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-22856.

URL Resource
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1 cve-icon cve-icon cve-icon
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-22856 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-22856 cve-icon
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CVSS Vulnerability Scoring System

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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact