Description
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.
Scores
CVSS v3
8.1
EPSS
0.0007
EPSS Percentile
20.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-362
CWE-416
Status
published
Products (1)
freerdp/freerdp
< 3.20.1
Published
Jan 14, 2026
Tracked Since
Feb 18, 2026