{"id":"CVE-2026-121389","title":"FreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR Device Announcement Logging","summary":"FreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability in rdpdr_dump_packet that allows malicious RDP servers to abort clients by sending malformed RDPDR device-list announcements. Attackers can declare a DeviceData…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-617"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.27.0 < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-03T16:00:43.724383Z"},"exploitAvailable":true,"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T16:01:08.967Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121389","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-66mr-7wc7-23vc","label":"GitHub Security Advisory (GHSA-66mr-7wc7-23vc)"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.27.0-before-3.32.2-client-dos-via-rdpdr-device-announcement-logging","label":"VulnCheck Advisory: FreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR Device Announcement Logging"}],"tags":["cve.org","exploit-available"],"epss":0.00307,"epssPercentile":0.2362,"ingestedAt":"2026-11-05T20:33:06.277Z","slug":"CVE-2026-121389","body":"## Overview\n\nFreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability in rdpdr_dump_packet that allows malicious RDP servers to abort clients by sending malformed RDPDR device-list announcements. Attackers can declare a DeviceDataLength exceeding the received packet, triggering a fatal Stream_Seek assertion when device redirection, TRACE logging, and WinPR assertions are enabled.\n\n## Affected\n\n- `FreeRDP >= 3.27.0 < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":29,"depthScoreParts":{"impact":17.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}