{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-121409","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-03T12:28:46.507Z","datePublished":"2026-11-03T14:28:09.497Z","dateUpdated":"2026-11-03T17:13:01.490Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-03T14:28:09.497Z"},"datePublic":"2026-10-19T00:00:00.000Z","title":"FreeRDP before 3.32.2 Denial of Service via Oversized X.224 Routing Token","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Reachable Assertion","cweId":"CWE-617","type":"CWE"}]}],"affected":[{"vendor":"FreeRDP","product":"FreeRDP","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.32.2"},{"version":"3.32.2","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*","versionEndExcluding":"3.32.2"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3hf9-w6hr-hf9j","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-3hf9-w6hr-hf9j)"},{"name":"VulnCheck Advisory: FreeRDP before 3.32.2 Denial of Service via Oversized X.224 Routing Token","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-oversized-x-224-routing-token"}],"credits":[{"lang":"en","value":"Kushalkhemka","type":"finder"},{"lang":"en","value":"mayank-jangid-moon","type":"finder"},{"lang":"en","value":"opensec-intelligence","type":"tool"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-03T17:12:24.917742Z","id":"CVE-2026-121409","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-03T17:13:01.490Z"}}]}}