CVE-2026-67296

HIGH 7.5

FreeRDP before 3.29.0 Denial of Service via RDPEI PDU

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-20
Vendor	freerdp
Product	freerdp
Published	Aug 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

FreeRDP / FreeRDP

0 < 3.29.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v vulncheck.com: https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu

Credits

🔍 1121984919