{"id":"CVE-2026-121407","published":"2026-11-03T15:17:29.420","lastModified":"2026-11-03T15:59:17.710","description":"FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's remdesk_server_thread that allows authenticated clients to crash the process via an inverted PDU length check. Attackers can send an 8192-byte remdesk payload declaring an eight-byte PDU length to trigger a fatal Stream_Seek assertion, aborting the server and dropping sessions.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-20"],"vendors":["freerdp"],"products":["freerdp"],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x8vp-ff7m-294g","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-shadow-server-denial-of-service-via-remdesk-channel","tags":["Third Party Advisory"]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x8vp-ff7m-294g","tags":["Vendor Advisory"]}],"hasPoc":true,"ai":null}