{"id":"CVE-2026-121959","title":"FreeRDP before 3.32.2 Infinite Loop via Truncated WebSocket Frame","summary":"FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero BIO result with payload outstanding. A malicious RD Gateway can send a truncated WebSocket frame followed by a TLS close_…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-835"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-04T18:27:49.326710Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:28:20.749Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121959","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x26g-fp9v-c2pg","label":"GitHub Security Advisory (GHSA-x26g-fp9v-c2pg)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-infinite-loop-via-truncated-websocket-frame","label":"VulnCheck Advisory: FreeRDP before 3.32.2 Infinite Loop via Truncated WebSocket Frame"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.489Z","epss":0.00313,"epssPercentile":0.24337,"slug":"CVE-2026-121959","body":"## Overview\n\nFreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a zero BIO result with payload outstanding. A malicious RD Gateway can send a truncated WebSocket frame followed by a TLS close_notify, causing a client thread to spin and consume CPU until killed.\n\n## Affected\n\n- `FreeRDP < 3.32.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}