{"affected":[{"defaultStatus":"unaffected","product":"FreeRDP","source":"CNA: VulnCheck","vendor":"FreeRDP","versions":[{"lessThan":"3.32.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.32.2","versionType":"semver"}]}],"cveId":"CVE-2026-121402","cwes":["CWE-476"],"description":"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 display null without ending the session, so a later bitmap update crashes the client in gdi_Bitmap_Paint.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793716084673,"publishedAt":1793716084673,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c426-ppvf-jpfg"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-x11-client-crash-via-zero-width-rdpgfx-resetgraphics"}],"remediation":[],"revision":"668c50645cb1ff40d8a8173dd994055c6090f62acc3597e437b1666c1b632c86","sources":[{"modifiedAt":1793716084673,"name":"CNA: VulnCheck","retrievedAt":1793718547957,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121402"}],"ssvc":null,"status":"published","title":"FreeRDP before 3.32.2 X11 Client Crash via Zero-Width RDPGFX ResetGraphics","updatedAt":1793718547957}