What is GHSA-f8g9-jggc-hwp5?

GHSA-f8g9-jggc-hwp5 is a security advisory published by GitHub Security Advisories with Low severity. FreeRDP before 3.32.2 fails to bound server-supplied target dimensions and output origin in...

Which CVE IDs does GHSA-f8g9-jggc-hwp5 cover?

GHSA-f8g9-jggc-hwp5 covers the following CVE IDs: CVE-2026-121411. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f8g9-jggc-hwp5?

GHSA-f8g9-jggc-hwp5 has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

GHSA-f8g9-jggc-hwp5LowCVSS 3.1

FreeRDP before 3.32.2 fails to bound server-supplied target dimensions and output origin in...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121411 →

📋 Description

FreeRDP before 3.32.2 fails to bound server-supplied target dimensions and output origin in RDPGFX MAPSURFACETOSCALEDOUTPUT PDUs, allowing malicious RDP servers to abort X11 clients. Attackers can map a surface to oversized scaled output, triggering checked UINT16 cast or freerdp_image_scale stride assertion failures that terminate the client.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wffv-rjv2-h2x2
https://nvd.nist.gov/vuln/detail/CVE-2026-121411
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-x11-client-abort-via-rdpgfx-scaled-output-geometry
https://github.com/advisories/GHSA-f8g9-jggc-hwp5