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VULNERABILITIES

CVE-2026-67296 Details

Description

FreeRDP before 3.29.0 contains a denial of service vulnerability in the RDPEI server channel handler that fails to validate maximum PDU body length before stream allocation. A malicious RDP client can send a header-only RDPEI message with a large declared body length to force excessive memory allocation on the server.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v CISA-ADPExploitVendor Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input Validation[email protected]

Affected Products

ProductVersions
freerdp freerdp
< 3.29.0

CPE

  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-67296
NVD Published Date:
Aug 1, 2026
NVD Last Modified:
Sep 11, 2026
Source:
[email protected]
CVE-2026-67296 Details - Not Deferred