{"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-2026-121409","cwes":["CWE-617"],"description":"FreeRDP before 3.32.2 contains a denial of service vulnerability that allows malicious servers or unauthenticated peers to abort clients or proxies via oversized X.224 routing tokens. Attackers can send an oversized LoadBalanceInfo in a Server Redirection PDU, or a 240–247 byte token to a FixedTarget freerdp-proxy, triggering a tpdu_write_header assertion that crashes the process.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.2,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.9,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793716089497,"publishedAt":1793716089497,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3hf9-w6hr-hf9j"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-oversized-x-224-routing-token"}],"remediation":[],"revision":"165e6185875a8f5c2fd61244d852be197b0df4f0e523705f7556f04a23a84742","sources":[{"modifiedAt":1793716089497,"name":"CNA: VulnCheck","retrievedAt":1793718555789,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121409"}],"ssvc":null,"status":"published","title":"FreeRDP before 3.32.2 Denial of Service via Oversized X.224 Routing Token","updatedAt":1793718555789}