CVE-2026-29775
Medium
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmap_cache_put. A malicious server can send a CACHE_BITMAP_ORDER (Rev1) with cacheId equal to maxCells, bypassing the guard and accessing cells[] one element past the allocated array. This vulnerability is fixed in 3.24.0.
SeverityMedium
CVSS5.3
Exploit probability—
ProductFreerdp
PublishedMar 13, 2026
First seenMar 13, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- freerdp freerdp3.24.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freerdp freerdp | v < 3.24.0 | 3.24.0 |
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