Vulnerabilities CVE-2026-67296

CVE-2026-67296

High

Open

TLP:CLEAR

FreeRDP before 3.29.0 Denial of Service via RDPEI PDU

NVD CVE.org

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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.

Details

CVSS Score: 8.7
EPSS Score ⓘ: 0.34%

27.3th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 1, 2026
Last Modified: Aug 3, 2026

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