QID 354723

freerdp is a free remote desktop protocol library and clients.
Freerdp based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to.
Freerdp based server implementations are not affected.
Please upgrade to 2.8.1 where this issue is patched.
If unable to upgrade, do not use parallel port redirection (`/parallel` command line switch) as a workaround. (
( CVE-2022-39282) freerdp is a free remote desktop protocol library and clients.
All freerdp based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result.
This issue has been patched in version 2.8.1.
If you cannot upgrade do not use the `/video` switch. (
( CVE-2022-39283) freerdp is a free remote desktop protocol library and clients.
In affected versions there is an out of bound read in zgfx decoder component of freerdp.
A malicious server can trick a freerdp based client to read out of bound data and try to decode it likely resulting in a crash.
This issue has been addressed in the 2.9.0 release.
Users are advised to upgrade. (
( CVE-2022-39316) freerdp is a free remote desktop protocol library and clients.
Affected versions of freerdp are missing a range check for input offset index in zgfx decoder.
A malicious server can trick a freerdp based client to read out of bound data and try to decode it.
This issue has been addressed in version 2.9.0.
There are no known workarounds for this issue. (
( CVE-2022-39317) freerdp is a free remote desktop protocol library and clients.
All users are advised to upgrade.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.