MEDIUM 5.3 NVD
CVE-2026-121405
FreeRDP before 3.32.2 fails to cap the OutputBufferLength in serial device-control IRP requests, allowing malicious servers to trigger excessive memory allocati
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.
Affected Products
- freerdp/freerdp
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-r387-jjq3-87hv
- https://www.vulncheck.com/advisories/freerdp-before-3.32.2-memory-exhaustion-via-serial-rd
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-r387-jjq3-87hv
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-11-03 via NVD. Affected: freerdp/freerdp.
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