Vulnerability · Published Nov 3, 2026 · Assigned by VulnCheck

CVE-2026-121391FreeRDP before 3.32.2 File Descriptor Exhaustion via Parallel CREATE

Medium 4.3

In plain English

A medium-severity security flaw in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 85.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

FreeRDP from 3.0.0 before 3.32.2 contains a file descriptor leak in parallel_process_irp_create that fails to close previous descriptors on repeated IRP_MJ_CREATE requests. A hostile RDP server with parallel-device redirection enabled can send repeated CREATE requests to exhaust the client descriptor table and crash the process.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	freerdp2	no fix listed	DEBIAN-CVE-2026-121391
Debian:13	freerdp3	no fix listed	DEBIAN-CVE-2026-121391
Debian:14	freerdp3	3.32.2+dfsg-1	DEBIAN-CVE-2026-121391
Ubuntu:22.04:LTS	freerdp2	no fix listed	UBUNTU-CVE-2026-121391
Ubuntu:24.04:LTS	freerdp3	no fix listed	UBUNTU-CVE-2026-121391
Ubuntu:26.04:LTS	freerdp3	no fix listed	UBUNTU-CVE-2026-121391
Ubuntu:26.10	freerdp3	no fix listed	UBUNTU-CVE-2026-121391

Affected products (as reported)

Vendor	Product	Versions
FreeRDP	FreeRDP	3.0.0 – before 3.32.2

Weakness: CWE-772 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References

GitHub Security Advisory (GHSA-8g9g-hqqp-fw69) vendor-advisory
VulnCheck Advisory: FreeRDP before 3.32.2 File Descriptor Exhaustion via Parallel CREATE third-party-advisory