File Descriptor Leak in FreeRDP by FreeRDP Project
CVE-2026-121391

5.3MEDIUM

Key Information:

Vendor

Freerdp

Status
Freerdp
Vendor
CVE Published:
3 November 2026

What is CVE-2026-121391?

FreeRDP versions before 3.32.2 exhibit a vulnerability where repeated CREATE requests from a malicious RDP server, particularly with parallel-device redirection enabled, can lead to a file descriptor leak. This issue arises from the failure to close existing descriptors during these requests, ultimately exhausting the client descriptor table and resulting in a process crash.

Affected Version(s)

FreeRDP 3.0.0 < 3.32.2

FreeRDP 3.32.2

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/freerdp-before-3.32....
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

opensec-intelligence
mayank-jangid-moon
.