CVE-2026-67296

8.7 highEPSS 0.5%

High (8.7) in freerdp freerdp. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

7.5 high

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2026-08-01
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

Affected

freerdp:freerdp

References

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

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