CVE-2026-22855
CRITICALFreeRDP < 3.20.1 - Out-of-bounds Read in Smartcard SetAttrib Path
Title source: llmDescription
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when cbAttrLen does not match the actual NDR buffer length. This vulnerability is fixed in 3.20.1.
References (2)
Core 2
Core References
Vendor Advisory, Exploit x_refsource_confirm
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9
Release Notes x_refsource_misc
https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
Scores
CVSS v3
9.1
EPSS
0.0047
EPSS Percentile
37.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
freerdp/freerdp
< 3.20.1
Published
Jan 14, 2026
Tracked Since
Feb 18, 2026