{"id":"CVE-2026-111373","title":"FreeRDP before 3.32.0 NULL Dereference via Zero-Length WebSocket Ping","summary":"FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the websocket transport that allows a malicious gateway to crash clients by sending zero-length pings. When the payload length is zero, websocket_reply_pong passe…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-476"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.0"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T01:17:40.463Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111373","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-83g2-gf92-5c4g","label":"GitHub Security Advisory (GHSA-83g2-gf92-5c4g)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.0-null-dereference-via-zero-length-websocket-ping","label":"VulnCheck Advisory: FreeRDP before 3.32.0 NULL Dereference via Zero-Length WebSocket Ping"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T01:55:57.994Z","slug":"CVE-2026-111373","body":"## Overview\n\nFreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the websocket transport that allows a malicious gateway to crash clients by sending zero-length pings. When the payload length is zero, websocket_reply_pong passes a nullptr stream to websocket_reply_close, triggering an assertion failure that terminates the client process and causes denial of service.\n\n## Affected\n\n- `FreeRDP < 3.32.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}