PT-2026-67276 · Freerdp · Freerdp

1121984919 · CVE-2026-67296 · Published 2026-08-01 · Updated 2026-08-01

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.29.0

Description A denial of service issue exists in the RDPEI server channel handler. The component fails to validate the maximum PDU (Protocol Data Unit) body length before allocating the stream. A malicious RDP client can trigger excessive memory allocation on the server by sending a header-only RDPEI message with a large declared body length.

Recommendations Update to version 3.29.0 or later.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-67296

GHSA-JM8R-22J6-4M4V

Affected Products

Freerdp

References · 5

• 🔥 https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jm8r-22j6-4m4v · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67296.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-67296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-67296 · Security Note
• https://vulncheck.com/advisories/freerdp-before-denial-of-service-via-rdpei-pdu · Note