CVE-2026-121410

MediumCVSS 4.3/10Last modified Nov 7, 2026

Description

FreeRDP before 3.32.2 contains a denial of service vulnerability in the RDPGFX ALPHA WIRETOSURFACE_2 handler that fails to validate zero surface dimensions. A malicious RDP server can send a crafted WIRETOSURFACE_2 PDU with zero width and height, triggering an assertion or division by zero that terminates the client session.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-369

Affected software

Vendor	Product	Versions
FreeRDP	FreeRDP	< 3.32.2

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-fqw6-jf2h-6fj6Vendor Advisory
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-rdpgfx-alpha-wiretosurface-2Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-fqw6-jf2h-6fj6Vendor Advisory

Timeline

Published: Nov 3, 2026
Last modified: Nov 7, 2026
NVD status: Modified

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