{"id":"CVE-2026-121401","published":"2026-11-03T15:17:28.360","lastModified":"2026-11-03T17:18:08.817","description":"FreeRDP before 3.32.2 contains a denial of service vulnerability where rdg_process_packet dispatches a PKT_TYPE_EXTENDED_AUTH_MSG without verifying negotiated mode or auth context. A malicious or compromised RD Gateway can send the extended-auth packet before tunnel authentication, triggering a null-pointer dereference that crashes the client.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cwes":["CWE-476"],"vendors":["freerdp"],"products":["freerdp"],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rjm-m7xg-mg6m","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-rd-gateway-extended-auth-packet","tags":["Third Party Advisory"]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rjm-m7xg-mg6m","tags":["Vendor Advisory"]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rjm-m7xg-mg6m","tags":["Vendor Advisory"]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-8rjm-m7xg-mg6m","tags":["Vendor Advisory"]}],"hasPoc":true,"ai":null}