CVE-2026-67305: FreeRDP Windows client before 3.29.0 contains a heap buffer overflow vulnerability in the clipboard virtual channel when processing CLIPRDR_FILE_CONTENTS_RESPONSE PDUs without vali
FreeRDP Windows client before 3.29.0 contains a heap buffer overflow vulnerability in the clipboard virtual channel when processing CLIPRDR_FILE_CONTENTS_RESPONSE PDUs without validating the server-provided size against the destination buffer. A malicious RDP server can send a response with a data payload significantly larger than requested, causing arbitrary heap memory corruption that may enable remote code execution when a user performs a paste operation.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-67305
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-67305 | coverage & exploitation status | NVD · CVE.org |
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