VDB
DEBIAN-CVE-2026-22851
DEBIAN-CVE-2026-22851
PUBLISHED
CVSS 5.900000095367432 MEDIUM
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race condition between the RDPGFX dynamic virtual channel thread and the SDL render thread leads to a heap use-after-free. Specifically, an escaped pointer to sdl->primary (SDL_Surface) is accessed after it has been freed during RDPGFX ResetGraphics handling. This vulnerability is fixed in 3.20.1.
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | freerdp3 | 3.25.0+dfsg-3, 3.25.0+dfsg-2, 3.25.0+dfsg-1 |
| Debian:12 | freerdp2 | 2.11.7+dfsg1, 0, 2.10.0+dfsg1-1 |
| Debian:14 | freerdp3 | 3.17.1+dfsg, 3.15.0+dfsg-2.1, 3.16.0+dfsg-1 |
| Debian:11 | freerdp2 | 2.10.0+dfsg1, 2.10.0+dfsg1, 2.11.2+dfsg1 |
Timeline
- Jan 14, 2026 CVE Published
- May 16, 2026 CVE Updated