Skip to main content
CVE-2026-121391VulnerabilityPublished Updated

FreeRDP from 3.0.0 before 3.32.2 contains a file descriptor leak in parallel_process_irp_create that fails to close

Affects freerdpSource GCVE Database

0
Compare
Authoritative record:CVE-2026-121391· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium · fixed in 3.32.2+dfsg-0ubuntu0.24.04.1 : update freerdp when convenient.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.05.3
CNA (VulnCheck)CVSS 3.14.3
EPSS
0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.32.2+dfsg-0ubuntu0.24.04.1, 3.32.2+dfsg-0ubuntu0.26.10.1, 3.32.2+dfsg-0ubuntu0.26.04.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade the Ubuntu freerdp3 to 3.32.2+dfsg-0ubuntu0.24.04.1 (package) or 3.32.2+dfsg-0ubuntu0.26.10.1 (package) or 3.32.2+dfsg-0ubuntu0.26.04.1 (package).

Affected software

ProductAffectedFixed in
Ubuntu 26.10freerdp3pkg:deb/ubuntu/freerdp3?arch=source&distro=stonkingOther threatsAffected
  • <3.32.2+dfsg-0ubuntu0.26.10.1
Fixed in
  • 3.32.2+dfsg-0ubuntu0.26.10.1
Ubuntu 26.04 LTSfreerdp3pkg:deb/ubuntu/freerdp3?arch=source&distro=resoluteOther threatsAffected
  • <3.32.2+dfsg-0ubuntu0.26.04.1
Fixed in
  • 3.32.2+dfsg-0ubuntu0.26.04.1
Ubuntu 24.04 LTSfreerdp3pkg:deb/ubuntu/freerdp3?arch=source&distro=nobleOther threatsAffected
  • <3.32.2+dfsg-0ubuntu0.24.04.1
Fixed in
  • 3.32.2+dfsg-0ubuntu0.24.04.1
Ubuntu Pro 24.04 LTSfreerdp2pkg:deb/ubuntu/freerdp2?arch=source&distro=esm-apps/nobleOther threatsAffected
  • 2.10.0+dfsg1-1.1ubuntu1 – 2.11.5+dfsg1-1ubuntu0.1~esm6
12 affected builds
Fixed in–
Ubuntu 22.04 LTSfreerdp2pkg:deb/ubuntu/freerdp2?arch=source&distro=jammyOther threatsAffected
  • 2.3.0+dfsg1-2build1 – 2.6.1+dfsg1-3ubuntu2.11
23 affected builds
Fixed in–
Ubuntu Pro 20.04 LTSfreerdp2pkg:deb/ubuntu/freerdp2?arch=source&distro=esm-infra/focalOther threatsAffected
  • 2.0.0~git20190204.1.2693389a+dfsg1-1 – 2.6.1+dfsg1-0ubuntu0.20.04.2+esm4
17 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

The vulnerability is fixed in FreeRDP version 3.32.2 and later. Users should update their FreeRDP packages to the patched versions provided by their Linux distribution, such as those listed in the Ubuntu security notice USN-9007-1. Standard system updates will apply the necessary fixes. No additional mitigation is required once the update is applied.

Description

FreeRDP versions from 3.0.0 before 3.32.2 contain a file descriptor leak in the function parallel_process_irp_create. This leak occurs because previous descriptors are not closed on repeated IRP_MJ_CREATE requests. A hostile RDP server with parallel-device redirection enabled can exploit this by sending repeated CREATE requests to exhaust the client's descriptor table, causing the FreeRDP process to crash.

References

Community reviews

Loading reviews…