{"id":"CVE-2026-121402","title":"FreeRDP before 3.32.2 X11 Client Crash via Zero-Width RDPGFX ResetGraphics","summary":"FreeRDP before 3.32.2 contains a NULL pointer dereference vulnerability that allows malicious RDP servers to crash xfreerdp clients by sending a zero-width RDPGFX ResetGraphics PDU. The failed resize in gdi_resize_ex leaves the primary d…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-476"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-07T02:51:23.752046Z"},"exploitAvailable":true,"published":"2026-11-03","updated":"2026-11-07","sourceUpdated":"2026-11-07T02:51:49.853Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121402","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c426-ppvf-jpfg","label":"GitHub Security Advisory (GHSA-c426-ppvf-jpfg)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-x11-client-crash-via-zero-width-rdpgfx-resetgraphics","label":"VulnCheck Advisory: FreeRDP before 3.32.2 X11 Client Crash via Zero-Width RDPGFX ResetGraphics"}],"tags":["cve.org","exploit-available"],"epss":0.00254,"epssPercentile":0.17036,"ingestedAt":"2026-11-05T19:30:42.962Z","slug":"CVE-2026-121402","body":"## Overview\n\nFreeRDP before 3.32.2 contains a NULL pointer dereference vulnerability that allows malicious RDP servers to crash xfreerdp clients by sending a zero-width RDPGFX ResetGraphics PDU. The failed resize in gdi_resize_ex leaves the primary display null without ending the session, so a later bitmap update crashes the client in gdi_Bitmap_Paint.\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":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":235737,"id":"CVE-2026-121402","ts":1794020954079,"field":"exploit_available","old":"false","new":"true"}]}