CVE-2022-39320
4.6
MEDIUM
CVSS 3.1
EPSS 0.13%
Description
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.
How to fix CVE-2022-39320
To remediate CVE-2022-39320, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.0+dfsg1-2+deb11u3 or later
Is CVE-2022-39320 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.0+dfsg1-2+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L |