{"affected":[{"defaultStatus":"unaffected","product":"FreeRDP","source":"CNA: VulnCheck","vendor":"FreeRDP","versions":[{"lessThan":"3.32.2","status":"affected","version":"3.0.0","versionType":"semver"},{"status":"unaffected","version":"3.32.2","versionType":"semver"}]}],"cveId":"CVE-2026-121951","cwes":["CWE-617"],"description":"FreeRDP 3.0.0 before 3.32.2 server-side RDP peer input parsing skips the six-byte body of a slow-path input event with an unknown message type without checking it lies within the packet's declared length, causing a WinPR stream assertion failure. A remote RDP client with an active session can send a truncated unknown input event to abort assertion-enabled server processes, causing denial of service.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.5,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},{"score":8.7,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.5,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793809067477,"publishedAt":1793806397349,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qq4-qwxq-49m8"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.2-denial-of-service-via-slow-path-input-event"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qq4-qwxq-49m8"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.2-denial-of-service-via-slow-path-input-event"}],"remediation":[],"revision":"0c9320f68fbd3448ec4c70ff18de11fd046857b13db9602bf28ccbadc1a10609","sources":[{"modifiedAt":1793806397349,"name":"CNA: VulnCheck","retrievedAt":1793808626624,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121951"},{"modifiedAt":1793809067477,"name":"NVD","retrievedAt":1793816707526,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121951"}],"ssvc":null,"status":"published","title":"FreeRDP 3.0.0 before 3.32.2 Denial of Service via Slow-Path Input Event","updatedAt":1793816707526}