What is CVE-2026-111377?

CVE-2026-111377 is a medium-severity vulnerability in Freerdp, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-10-16.

How severe is CVE-2026-111377?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Freerdp

CVE-2026-111377

FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

Vulnerability class: DoS (Denial of Service)

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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-xm53-352c-57jw (vendor-advisory)
www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-memory-exhaustion-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111377?: CVE-2026-111377 is a medium-severity vulnerability in Freerdp, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-10-16.
How severe is CVE-2026-111377?: Medium severity. CVSS v3 base score is 6.5 out of 10.