CVE-2025-66215

A flaw was found in OpenSC, an open-source smart card tool and middleware. An attacker with physical access to the computer can exploit this vulnerability when a user or administrator uses a smart card token. By presenting a specially crafted USB device or smart card, the attacker can trigger a stack-buffer-overflow, which may lead to information disclosure, data corruption, or denial of service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.