CVE-2026-103531

MEDIUMCVSS 5.5

A flaw has been found in OpenSC up to 0.27.1. The impacted element is the function setcos_construct_fci_44 of the file src/libopensc/card-setcos.c. Executing a manipulation of the argument type_attr can lead to stack-based buffer overflow. The attack can be launched remotely. This patch is called ad730304052937c32b4eb489a06835ac6123632c. It is best practice to apply a patch to resolve this issue.

Published 2026-10-01 · last modified 2026-10-01

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.