by Kastro CVE-2026-22855
FreeRDP FreeRDP — FreeRDP has a heap-buffer-overflow in smartcard_unpack_set_attrib_call
Description · from the CVE record
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
ProductAffectedFixed inSource
FreeRDP< 3.20.1–CNA
Red Hat Enterprise Linux 10see advisory2:3.10.3-12.el10_2.2redhat-SADP
Red Hat Enterprise Linux 10.0 Extended Update Supportsee advisory2:3.10.3-3.el10_0.2redhat-SADP
Red Hat Enterprise Linux 7 Extended Lifecycle Supportsee advisory0:2.1.1-5.el7_9.2redhat-SADP
Red Hat Enterprise Linux 8see advisory2:2.11.7-3.el8_10redhat-SADP
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportsee advisory2:2.2.0-8.el8_4redhat-SADP
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onsee advisory2:2.2.0-8.el8_4redhat-SADP
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportsee advisory2:2.2.0-7.el8_6.2redhat-SADP
Red Hat Enterprise Linux 8.6 Telecommunications Update Servicesee advisory2:2.2.0-7.el8_6.2redhat-SADP
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutionssee advisory2:2.2.0-7.el8_6.2redhat-SADP
Red Hat Enterprise Linux 8.8 Telecommunications Update Servicesee advisory2:2.2.0-12.el8_8.2redhat-SADP
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionssee advisory2:2.2.0-12.el8_8.2redhat-SADP
Scores by source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
redhat-SADP (CNA)7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
GitHub_M (CNA)5.6CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial