CVE-2021-37594

medium

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

5.5

Description

In FreeRDP before 2.4.0 on Windows, wf_cliprdr_server_file_contents_request in client/Windows/wf_cliprdr.c has missing input checks for a FILECONTENTS_SIZE File Contents Request PDU.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-37594

OS impact

OS	Version	Status	Fixed in
arch		affected
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`

References

https://security-tracker.debian.org/tracker/CVE-2021-37594

Verify integrity in audit chain (admin only). AS-IS.