{"id":"CVE-2026-121408","title":"FreeRDP before 3.32.2 Use-After-Free via USB Redirection Control Channel","summary":"FreeRDP before 3.32.2 contains a use-after-free in the urbdrc USB redirection channel because FindChannelById returns a channel pointer without a reference and the control-channel close path does not take the device manager's loading_loc…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-362"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-03T17:22:09.826473Z"},"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T18:30:46.962Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121408","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w897-ffhv-5j7g","label":"GitHub Security Advisory (GHSA-w897-ffhv-5j7g)"},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-usb-redirection-control-channel","label":"VulnCheck Advisory: FreeRDP before 3.32.2 Use-After-Free via USB Redirection Control Channel"}],"tags":["cve.org"],"epss":0.0022,"epssPercentile":0.12568,"ingestedAt":"2026-11-05T20:33:06.359Z","slug":"CVE-2026-121408","body":"## Overview\n\nFreeRDP before 3.32.2 contains a use-after-free in the urbdrc USB redirection channel because FindChannelById returns a channel pointer without a reference and the control-channel close path does not take the device manager's loading_lock. A malicious RDP server can send a control-channel CLOSE_REQUEST while the client announces a USB device, freeing the channel before the announcement thread reads channel->Write and crashing the client.\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":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}