{"affected":[{"defaultStatus":"unaffected","product":"FreeRDP","source":"CNA: VulnCheck","vendor":"FreeRDP","versions":[{"lessThan":"3.32.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.32.2","versionType":"semver"}]}],"cveId":"CVE-2026-121959","cwes":["CWE-835"],"description":"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_notify, causing a client thread to spin and consume CPU until killed.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},{"score":7.1,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":6.5,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793809068920,"publishedAt":1793806403094,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x26g-fp9v-c2pg"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-infinite-loop-via-truncated-websocket-frame"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x26g-fp9v-c2pg"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-infinite-loop-via-truncated-websocket-frame"}],"remediation":[],"revision":"38a39a26fa4c0b058eba15d4a4b2eb638246cbef08f39efa35be408b693362f4","sources":[{"modifiedAt":1793806403094,"name":"CNA: VulnCheck","retrievedAt":1793808636000,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121959"},{"modifiedAt":1793809068920,"name":"NVD","retrievedAt":1793816716756,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121959"}],"ssvc":null,"status":"published","title":"FreeRDP before 3.32.2 Infinite Loop via Truncated WebSocket Frame","updatedAt":1793816716756}