FreeRDP 3.0.0 before 3.32.0 contains an integer truncation vulnerability in license_check_stream_length that allows a malicious RDP server to trigger a heap buffer overflow on 32-bit clients. Attackers can send a crafted SERVER_LICENSE_REQUEST with a large scopeCount that bypasses length checks, causing out-of-bounds writes leading to denial of service or remote code execution.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 12 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description FreeRDP 3.0.0 before 3.32.0 contains an integer truncation vulnerability in license_check_stream_length that allows a malicious RDP server to trigger a heap buffer overflow on 32-bit clients. Attackers can send a crafted SERVER_LICENSE_REQUEST with a large scopeCount that bypasses length checks, causing out-of-bounds writes leading to denial of service or remote code execution.
Title FreeRDP 3.0.0 before 3.32.0 heap buffer overflow via license_check_stream_length
First Time appeared Freerdp
Freerdp freerdp
Weaknesses CWE-122
CPEs cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Vendors & Products Freerdp
Freerdp freerdp
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 6.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T18:03:27.176Z

Reserved: 2026-10-12T14:09:00.053Z

Link: CVE-2026-109255

cve-icon Vulnrichment

Updated: 2026-10-13T18:03:22.023Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-12T17:17:16.987

Modified: 2026-10-15T15:54:26.210

Link: CVE-2026-109255

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-12T16:04:26Z

Links: CVE-2026-109255 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T14:30:08Z

Weaknesses