{"id":"CVE-2026-121411","title":"FreeRDP before 3.32.2 X11 Client Abort via RDPGFX Scaled Output Geometry","summary":"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…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-20"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T14:28:10.920Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121411","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wffv-rjv2-h2x2","label":"GitHub Security Advisory (GHSA-wffv-rjv2-h2x2)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-x11-client-abort-via-rdpgfx-scaled-output-geometry","label":"VulnCheck Advisory: FreeRDP before 3.32.2 X11 Client Abort via RDPGFX Scaled Output Geometry"}],"tags":["cve.org"],"epss":0.00229,"epssPercentile":0.13822,"ingestedAt":"2026-11-05T19:30:42.965Z","slug":"CVE-2026-121411","body":"## Overview\n\nFreeRDP 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.\n\n## Affected\n\n- `FreeRDP < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}