Unrated severityOSV Advisory· Published Jan 14, 2026· Updated Jan 14, 2026
FreeRDP has a heap-buffer-overflow in smartcard_unpack_set_attrib_call
CVE-2026-22855
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/FreeRDP/FreeRDP/releases/tag/3.20.1mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9mitrex_refsource_CONFIRM
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