CVE-2026-22855

Medium

Open

TLP:CLEAR

FreeRDP has a heap-buffer-overflow in smartcard_unpack_set_attrib_call

NVD CVE.org

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Description

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.

Details

CVSS Score: 5.6
CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Confidence: 90%
Published: Jan 14, 2026
Last Modified: Aug 19, 2026

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