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High severity8.8NVD Advisory· Published Aug 1, 2026· Updated Sep 8, 2026

CVE-2026-67305

CVE-2026-67305

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Freerdp/Freerdp2 versions
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*range: <3.29.0
    • (no CPE)range: <3.29.0

Patches

Vulnerability mechanics

References

2

News mentions

1