VDB
DEBIAN-CVE-2026-25959
DEBIAN-CVE-2026-25959
PUBLISHED
CVSS 9.800000190734863 CRITICAL
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_cliprdr_provide_data_` passes freed `pDstData` to `XChangeProperty` because the cliprdr channel thread calls `xf_cliprdr_server_format_data_response` which converts and uses the clipboard data without holding any lock, while the X11 event thread concurrently calls `xf_cliprdr_clear_cached_data` → `HashTable_Clear` which frees the same data via `xf_cached_data_free`, triggering a heap use after free. Version 3.23.0 fixes the issue.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | freerdp2 | 2.11.7+dfsg1, 2.9.0+dfsg1, 2.9.0+dfsg1 |
| Debian:12 | freerdp2 | 2.11.7+dfsg1, 2.11.7+dfsg1, 2.11.7+dfsg1 |
| Debian:13 | freerdp3 | 3.15.0+dfsg, 0, 3.15.0+dfsg-2.1 |
| Debian | freerdp2 | |
| Debian:14 | freerdp3 | 3.20.0+dfsg-1, 3.19.0+dfsg-1, 3.17.2+dfsg-3 |
Timeline
- Feb 25, 2026 CVE Published
- May 16, 2026 CVE Updated