{"id":"CVE-2026-109248","title":"FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convert_filedescriptors_to_file_list(), which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded _wcschr() and count_special_c…","summary":"FreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convert_filedescriptors_to_file_list(), which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded _wcschr() and count_special_c…","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-125"],"published":"2026-10-12","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:39:48.767","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109248","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jp2r-gm4v-wvq2","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-heap-out-of-bounds-read-via-winpr-clipboard-cfilename","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jp2r-gm4v-wvq2","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00314,"epssPercentile":0.24142,"ingestedAt":"2026-10-12T18:00:08.175Z","vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP >= 3.0.0 < 3.32.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T15:54:27.621022Z"},"slug":"CVE-2026-109248","body":"## Overview\n\nFreeRDP 3.0.0 before 3.32.0 contains a heap out-of-bounds read in the WinPR clipboard function convert_filedescriptors_to_file_list(), which scans a server-controlled FILEDESCRIPTORW cFileName with unbounded _wcschr() and count_special_chars() calls without a NUL-termination guarantee. A malicious RDP server can send an odd-length FILEDESCRIPTORW blob in a CB_FORMAT_DATA_RESPONSE, crashing X11, Wayland, and SDL clients when the user pastes server-copied files.\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":220968,"id":"CVE-2026-109248","ts":1792026944924,"field":"exploit_available","old":"false","new":"true"}]}