Resource exhaustion in Freerdp

CVE-2026-110833

FreeRDP from 3.0.0-beta1 before 3.32.0 fails to enforce cumulative or absolute size limits when reassembling RDPDR channel fragments in the proxy. Attackers can send a FIRST fragment followed by continuation fragments without LAST, growing per-session heap streams proportional to traffic and exhausting proxy memory.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-110833?
CVE-2026-110833 is a medium-severity vulnerability in Freerdp, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2026-10-14.
How severe is CVE-2026-110833?
Medium severity. CVSS v3 base score is 5.9 out of 10.