Vulnerability Database

320,453

Total vulnerabilities in the database

CVE-2026-22856

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

  • Published: Jan 14, 2026
  • Updated: Jan 21, 2026
  • CVE: CVE-2026-22856
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.1
  • AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
freerdp / freerdp - 3.20.1