What is CVE-2026-67297?

CVE-2026-67297 is a high-severity vulnerability in Freerdp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-01.

How severe is CVE-2026-67297?

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

Resource exhaustion in Freerdp

CVE-2026-67297

FreeRDP before 3.29.0 fails to enforce the RESPONSE_SIZE_LIMIT when processing Transfer-Encoding: chunked HTTP responses in http_response_recv_body(). Attackers controlling a malicious RD Gateway endpoint can send oversized chunked response bodies to exhaust client memory resources without triggering the configured size limit.

EPSS: 0.004 (29.8th percentile) — read the EPSS interpretation.

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.

Affected products

Freerdp — versions 0, 3.29.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@vulncheck.com (Exploit, vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-67297?: CVE-2026-67297 is a high-severity vulnerability in Freerdp, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-08-01.
How severe is CVE-2026-67297?: High severity. CVSS v3 base score is 7.5 out of 10.