CVE-2026-67296

FreeRDP before 3.29.0 Denial of Service via RDPEI PDU

HIGH
7.5
CVSS Score
Published: August 1, 2026 at 12:22 PM UTC
Updated: September 11, 2026 at 09:19 PM UTC
1 product affected across 1 vendorFreeRDP

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.29.0
Vendor states this is fixed in 3.29.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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