CVE-2026-121397
FreeRDP before 3.32.2 Heap Over-Read via WinPR save_png_to_buffer()
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
FreeRDP before 3.32.2 contains a heap buffer over-read vulnerability in save_png_to_buffer() that allows malicious RDP servers to leak client memory by sending 16 bpp DIB clipboard data. Attackers can offer a CF_DIB BI_BITFIELDS image that, when converted to PNG for a local application, embeds client heap bytes into the clipboard image.
| CWE | CWE-125 |
| Vendor | freerdp |
| Product | freerdp |
| Published | Nov 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
FreeRDP / FreeRDP
0 < 3.32.2
References
Credits
🔍 nickallevato