VDB
DEBIAN-CVE-2026-22852
DEBIAN-CVE-2026-22852
PUBLISHED
CVSS 9.800000190734863 CRITICAL
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client when processing Audio Input (AUDIN) format lists. audin_process_formats reuses callback->formats_count across multiple MSG_SNDIN_FORMATS PDUs and writes past the newly allocated formats array, causing memory corruption and a crash. This vulnerability is fixed in 3.20.1.
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:14 | freerdp3 | 0, 3.15.0+dfsg-2.1, 3.16.0+dfsg-1 |
| Debian:11 | freerdp2 | 2.11.7+dfsg1, 2.11.7+dfsg1-1, 2.11.7+dfsg1-2 |
| Debian:12 | freerdp2 | 0, 2.11.7+dfsg1-3, 2.11.7+dfsg1-4 |
| Debian:13 | freerdp3 | 0, 3.15.0+dfsg, * |
Timeline
- Jan 14, 2026 CVE Published
- May 16, 2026 CVE Updated