High 7.5Published Aug 1, 2026

CVE-2026-67297FreeRDP before 3.29.0 Resource Exhaustion via chunked HTTP response

Updated under an hour ago (2026-10-19 11:40 UTC)

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It affects FreeRDP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Aug 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

FreeRDP FreeRDP freerdp:freerdp (from the name)	before 3.29.0; 3.29.0 not affected	CNA record
freerdp freerdp freerdp:freerdp	before 3.29.0	NVD

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2c6r-4pr4-9x8mvendor-advisory, exploit
https://www.vulncheck.com/advisories/freerdp-before-resource-exhaustion-via-chunked-http-responsethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.