{"id":"CVE-2026-121951","title":"FreeRDP 3.0.0 before 3.32.2 Denial of Service via Slow-Path Input Event","summary":"FreeRDP 3.0.0 before 3.32.2 server-side RDP peer input parsing skips the six-byte body of a slow-path input event with an unknown message type without checking it lies within the packet's declared length, causing a WinPR stream assertion…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-617"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0 < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-04T18:39:42.219159Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:40:11.321Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121951","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qq4-qwxq-49m8","label":"GitHub Security Advisory (GHSA-4qq4-qwxq-49m8)"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.2-denial-of-service-via-slow-path-input-event","label":"VulnCheck Advisory: FreeRDP 3.0.0 before 3.32.2 Denial of Service via Slow-Path Input Event"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.493Z","epss":0.00423,"epssPercentile":0.36834,"slug":"CVE-2026-121951","body":"## Overview\n\nFreeRDP 3.0.0 before 3.32.2 server-side RDP peer input parsing skips the six-byte body of a slow-path input event with an unknown message type without checking it lies within the packet's declared length, causing a WinPR stream assertion failure. A remote RDP client with an active session can send a truncated unknown input event to abort assertion-enabled server processes, causing denial of service.\n\n## Affected\n\n- `FreeRDP >= 3.0.0 < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}