{"id":"CVE-2026-109943","title":"FreeRDP 3.29.0 before 3.32.0 contains a double free in the client's async-update message proxy, which shallow-copies the parser-owned PolygonSC or PolygonCB points array when numPoints is zero, so both the queue consumer and parser clean…","summary":"FreeRDP 3.29.0 before 3.32.0 contains a double free in the client's async-update message proxy, which shallow-copies the parser-owned PolygonSC or PolygonCB points array when numPoints is zero, so both the queue consumer and parser clean…","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","cwe":["CWE-415"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:10:50.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109943","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pg3f-chj4-mrw6","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.29.0-before-3.32.0-double-free-via-async-update-polygon-order","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00285,"epssPercentile":0.20943,"ingestedAt":"2026-10-13T14:29:01.850Z","vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.29.0 < 3.32.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T14:04:08.546668Z"},"slug":"CVE-2026-109943","body":"## Overview\n\nFreeRDP 3.29.0 before 3.32.0 contains a double free in the client's async-update message proxy, which shallow-copies the parser-owned PolygonSC or PolygonCB points array when numPoints is zero, so both the queue consumer and parser cleanup free it. A malicious RDP server can send a point-bearing polygon order followed by a zero-point order to crash a client with +async-update enabled.\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":[{"seq":221281,"id":"CVE-2026-109943","ts":1792031036311,"field":"exploit_available","old":"false","new":"true"}]}