What is CVE-2026-111378?

CVE-2026-111378 is a high-severity vulnerability in Freerdp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-16.

How severe is CVE-2026-111378?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Freerdp

CVE-2026-111378

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Vulnerability class: DoS (Denial of Service)

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Freerdp

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qpfh-m9w6-xf2x (vendor-advisory)
www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-unauthenticated-memory… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111378?: CVE-2026-111378 is a high-severity vulnerability in Freerdp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-10-16.
How severe is CVE-2026-111378?: High severity. CVSS v3 base score is 7.5 out of 10.