CVE-2022-39320 MEDIUM

CVE-2022-39320: Heap buffer overflow in urbdrc channel

Vendor Freerdp
Product FreeRDP
Weakness CWE-125
Published November 16, 2022
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Key dates

02Disclosure timeline

November 16, 2022 CVE published
November 3, 2025 Record updated