{"id":"CVE-2026-109256","published":"2026-10-12T17:17:17.137","lastModified":"2026-10-14T20:11:45.520","description":"FreeRDP 3.10.0 through 3.32.2 contains a heap buffer overflow in the WinPR png_write_data callback that writes past the buffer after a realloc failure. A malicious RDP clipboard peer can supply a large CF_DIB image that triggers out-of-bounds memcpy during PNG conversion, causing a client crash.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wf3x-658c-52m5","tags":[]},{"url":"https://www.vulncheck.com/advisories/freerdp-3.10.0-through-3.32.2-heap-buffer-overflow-in-winpr-png-conversion","tags":[]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wf3x-658c-52m5","tags":[]}],"hasPoc":true,"ai":null}