{"id":"CVE-2026-121411","published":"2026-11-03T15:17:30.167","lastModified":"2026-11-03T15:58:28.080","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.","cvssScore":3.1,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","cwes":["CWE-20"],"vendors":["freerdp"],"products":["freerdp"],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wffv-rjv2-h2x2","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-x11-client-abort-via-rdpgfx-scaled-output-geometry","tags":["Third Party Advisory"]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wffv-rjv2-h2x2","tags":["Vendor Advisory"]}],"hasPoc":true,"ai":null}