CVE-2026-121405

4.3 MEDIUMpublic exploit available

Published 2026-11-03 · Updated 2026-11-03

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

FreeRDP before 3.32.2 fails to cap the OutputBufferLength in serial device-control IRP requests, allowing malicious servers to trigger excessive memory allocation. Attackers running a server with serial redirection can send an IRP_MJ_DEVICE_CONTROL request with IOCTL_USBPRINT_GET_1284_ID and a near-maximum length to exhaust client memory.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weaknesses

CWE-770

Vendors

freerdp

Products

freerdp

Public exploit & PoC references

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-r387-jjq3-87hv[Vendor Advisory]
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-r387-jjq3-87hv[Vendor Advisory]

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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