CVE-2026-109256
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductFreerdp
PublishedOct 12, 2026
First seenOct 12, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- freerdp freerdp3.32.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freerdp freerdp | 3.10.0 ≤ v < 3.32.2 | 3.32.2 |
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